the x-y plane of a graph sheet the resultant diagram of dots. (xn,yn) be n pairs of observations. Scribd is the world's largest social reading and publishing site. Demerits: (i) These diagrams are unable to measure the precise extent of correlation. Notably, though there can be many representations, each of which suggests different types of correlation, the most common and vital ones are explained below. And when the data points slant upwards i.e. 8fyesX@)v>{[3w?Dpwl'x Li*z+|Aq;]+q!Z\'&q-P9$Rx?P?$ Divide the graph into four equal quadrants and observe the data points in each quadrant. Subsequently, Vedantu offers detailed study material accompanied with questionnaires that help students ace their curriculum. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. A = dots in upper left + dots in lower right, B = dots in upper right + dots in lower left. Among scatter diagram examples, a perfect negative correlation is reciprocal of the previous type. While understanding its various types, it is important to describe the scatter diagram with examples for a better understanding of the students. These graphs look like the one below. The various applications of scatter graphs or diagrams make it available for use across various fields of study. However, the same steps are followed in both cases. (b) Move some of the observations from the scatter diagram and note how the correlation coefficient changes as the positive association strengthens and weakens. However, the same steps are followed in both cases. A = dots in upper left + dots in lower right, B = dots in upper right + dots in lower left. Find the lesser sum and the total number of dots in the sum of diagonally opposite quadrants. [PDF Notes] What are the Merits and Demerits of Scatter Diagram? August 30, 2022 . However, its not always true. endstream endobj startxref % Observe the pattern, if there is any. Let us take a look at the steps to create a scatter diagram: Record the data in a tabular form either in excel or by hand on paper. Let us take a look at the steps to create a scatter diagram: Record the data in a tabular form either in excel or by hand on paper. By using statistical software such as Sigma XL we are presented with a formula as shown below. hbbd``b`@i:`9 Analyse the table to know the relation between the variables: if Q. These two variables are plotted along the X and Y axis on a two-dimensional graph and the pattern represents the association between these given variables. Let (x1,y1), (x2,y2). Perfect Positive Correlation: A scatter diagram is known to have a perfect positive correlation if all the plotted points are on a straight line when represented on a graph. Div-A, Bussiness Statistics scatter diagram.pdf - Study Material ; bXA x-@QHpEX@!H?qAJlNX %+H!#gb%3. scatter diagram notes pdf. the value of the variable on the vertical axis decreases as the variable on the horizontal axis increases then the diagram represents a negative relation. This can be seen in this representation below. K9&&_$ui!ZU~&YfVj6. (iii) Values of extreme items do not affect this method. These two variables are plotted along the X and Y axis on a two-dimensional graph and the pattern represents the association between these given variables. shaker cabinets denver; nike asuna slide sequoia; quest bar ingredients cookie dough 338 0 obj <> endobj These graphs look like the one below. HUnF}Wn .7^ I High Degree of Positive Correlation: If a scatter diagram represents a high degree of positive correlation then all its plotted points are roughly along a straight line, even though they do not clearly create a line. This is also a valid analysis since it shows that the 2 given variables are not correlated. Banking and E-Banking Definition, Types, Functions and FAQs, Business Environment - Definition, Components, Dimensions & Examples, Planning Premises - Introduction to Planning Premises, Importance, and Types, Business Entity Concept - Finance, Owners, Limitations and Examples, Revenue Deficit - Differences, Calculations, Formula and Disadvantages, Marketing Functions - Competitive Standard and Business Strategy, Difference Between Microeconomics and Macroeconomics, Students Should Note the Relevant Graphs Properly. [Maths Class Notes] on Scatter Plot Pdf for Exam, [Commerce Class Notes] on Correlation in a Whole Pdf for Exam. : Much like the 2 perfect correlations, high degrees of positive and negative correlation are reciprocal of each other. The table should have both the variables with their respective values and data range. Scatter diagrams in statistics and commerce are a vital tool that requires precision since their analysis depends on such representations. In a low degree of positive correlation, despite being scattered, these points are found to be slowly rising from its left bottom corner to its top-right corner. Your email address will not be published. After plotting all these points on a graph, the generated profiles of these scatter plots are used to draw an extrapolation. This representation typically forms a band-like structure which is rising from the bottom left corner towards the top right corner. Open navigation menu HUn@+xftZ@>hr"')'$#Y^z32/fK' Representing the scatter diagram meaning and values, in the event of a high degree of negative correlation, every plotted point forms a band that falls from top left corner to the right bottom corner. Here, every plotted point lies on a straight line without exception too. No Correlation: While scattering diagram definition looks to find the correlation between variables, students must note that there can be representations that are incoherent and scattered. %PDF-1.6 % Notably, scatter diagram correlation is a quantitative measure of random variables and their association with each other. : Much like the 2 perfect correlations, high degrees of positive and negative correlation are reciprocal of each other. Plot the paired data . 4. Diagrams NetworkDiagrams In a low degree of positive correlation, despite being scattered, these points are found to be slowly rising from its left bottom corner to its top-right corner. 388 0 obj <>stream the variables X and Y we use scatter diagram. Perfect Positive Correlation: A scatter diagram is known to have a perfect positive correlation if all the plotted points are on a straight line when represented on a graph. A scatter diagram represents the relationship between two variables that are measured across the same individual. scatter diagram notes pdf . $wz,hl? What are the applications of the Scatter diagram? When such data points are not scattered but tightly packed it becomes even more difficult to distinguish between different data patterns. It describes the strength of the correlation between . If the dots form an obvious line or a curve. Interpret the data . : Students who have understood these above-mentioned graphs and their representations can easily understand that in the case of a low degree of correlation, be it positive or negative, these plotted points are scattered. 1. : If a scatter diagram represents a high degree of positive correlation then all its plotted points are roughly along a straight line, even though they do not clearly create a line. Among the importance of scatter diagrams, a low degree of correlation is also a vital analysis since it suggests incoherence. Draw a graph showing the independent variable on the x-axis and the dependent variable on the y axis. Correspondingly, all these points are plotted on the graph and their totality is termed as a scatter diagram. Such points are always isolated in diagram. Let us look at the three major applications of scatter diagram: Presentation of the relationship between any two variables: A Scatter diagram essentially represents the distinct relationship between any two variables. (ii) It is not a quantitative measure of the relationship between the variables. Merits: (i) Scatter Diagrams are easy to draw. This can be seen in the representation below. Summarize any conclusions that you can draw from the diagram. Students must be very particular while plotting such graphs. endstream endobj 339 0 obj <>/Metadata 52 0 R/Pages 336 0 R/Perms/Filter<>/PubSec<>>>/Reference[<>/Type/SigRef>>]/SubFilter/adbe.pkcs7.detached/Type/Sig>>>>/StructTreeRoot 106 0 R/Type/Catalog>> endobj 340 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC/ImageI]/XObject<>>>/Rotate 0/Tabs/S/Type/Page>> endobj 341 0 obj <>stream Typically, these graphs look like the representation below. endobj : Much like the representation immediately above, low degrees of negative correlation are represented on a graph with scatter points. While understanding its various types, it is important to describe the scatter diagram with examples for a better understanding of the students. [Physics Class Notes] on Graphs Pdf for Exam, [Maths Class Notes] on Line Plot Pdf for Exam, [Maths Class Notes] on Linear Graph Pdf for Exam, [Maths Class Notes] on Correlation Pdf for Exam, [Maths Class Notes] on Graphs and Graphical Representation Pdf for Exam, [Commerce Class Notes] on Karl Pearsons Coefficient of Correlation Pdf for Exam, [Maths Class Notes] on Introduction to Graphs MCQs Pdf for Exam, [Maths Class Notes] on Introduction to Graphs Pdf for Exam, [Physics Class Notes] on Distance Time Graph Pdf for Exam, [PDF Notes] Get complete information on Classification of Correlation, [Commerce Class Notes] on Presentation of Data Pdf for Exam, [Physics Class Notes] on Circuit Diagram Pdf for Exam, [Maths Class Notes] on Difference Between Correlation and Regression Pdf for Exam, [Chemistry Class Notes] on Ellingham Diagram Pdf for Exam, [Maths Class Notes] on Ogive Pdf for Exam. This can be seen in this representation below. The study of such a graphical representation involving two variables and using such a diagram is known as scatter diagram analysis. rukket sports customer service. endstream endobj 342 0 obj <>stream Low Degree of Negative Correlation: Much like the representation immediately above, low degrees of negative correlation are represented on a graph with scatter points. This representation typically forms a band-like structure which is rising from the bottom left corner towards the top right corner. If the variables X. and Y are plotted along the X-axis and Y-axis respectively in. View 120Section1.4Notes.pdf from MATHEMATICS 120 at Kingsley Area High School. Perfect Negative Correlation: Among scatter diagram examples, a perfect negative correlation is reciprocal of the previous type. Published. A correlation coefficient (r) is a number between -1 and 1. Analyse the table to know the relation between the variables: if Q=N, the pattern is the result of mere chance. This representation typically forms a band-like structure which is rising from the bottom left corner towards the top right corner. scatter diagram notes pdf. However, despite being scattered, these points have a general tendency of falling from the top left corner of a graph to its bottom right corner. 9Opwz\yq- +yBO:WONK'_>nkwr+PX]K~OSFhR[4I. What are the common challenges faced in scatter diagrams? Furthermore, Vedantu also offers live classes which are a great option to clear any doubt regarding these chapters. Title and label the diagram . Consequently, students can also calculate the correlation of coefficient of this given data using their plotted representation. However, despite being scattered, these points have a general tendency of falling from the top left corner of a graph to its bottom right corner. This can be seen in this representation below. Awesome Blog. scatter-diagram.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. However, despite being scattered, these points have a general tendency of falling from the top left corner of a graph to its bottom right corner. If the two variables are Furthermore, also offers live classes which are a great option to clear any doubt regarding these chapters. endobj However, despite being scattered, these points have a general tendency of falling from the top left corner of a graph to its bottom right corner. Here, every plotted point lies on a straight line without exception too. Call us : 631.599.6728. door knob covers child proof / lascana halter bikini / scatter diagram notes pdf; scatter diagram notes pdf. Confusing between correlation and causation- Not only does the making of scatter diagrams can have various challenges but interpreting the graph can also be confusing. SCATTER DIAGRAM 13 Graph the data Scatter diagram Check the correlations Use Pearson Coefficient 1st regression Linear / Multiple regression Evaluate regression R-squared and analyze residuals Re-run regression (If necessary) Simple: With different model (Cubic) Multiple: Remove unnecessary items Use the results Control critical process inputs and Typically, these graphs look like the representation below. Students must be very particular while plotting such graphs. Draw a graph showing the independent variable on the x-axis and the dependent variable on the y axis. Correlation does not imply causation. Consequently, students can also calculate the correlation of coefficient of this given data using their plotted representation. Let us take a look at the steps to create a scatter diagram: Record the data in a tabular form either in excel or by hand on paper. A scatter graph (also known as scatter plot, scatter diagram, and correlation chart) is a medium for analyzing relationships between two given variables and also it determines how closely the two variables are related to each other. In such cases, these plotted points are scattered haphazardly across a graph, like in this representation below. Low Degree of Positive Correlation: Students who have understood these above-mentioned graphs and their representations can easily understand that in the case of a low degree of correlation, be it positive or negative, these plotted points are scattered. Scatter Diagram To investigate whether there is any relation between the variables X and Y we use scatter diagram. The Scatter diagram method is a simple representation that is popularly used in commerce and statistics to find the correlation between two variables. Draw the scatter diagram (or copy it from the applet) and record the correlation coefficient below. Much like these various types of scatter diagrams, there are many topics and figures in standard 10 + 2 commerce which are vital for students. High Degree of Positive Correlation: If a scatter diagram represents a high degree of positive correlation then all its plotted points are roughly along a straight line, even though they do not clearly create a line. Engineering 2022 , FAQs Interview Questions, Students Should Note the Relevant Graphs Properly. 250+ TOP MCQs on Seven Tools of Quality Scatter Diagram and Control Chart and Answers. <> Analyse the table to know the relation between the variables: if Q Two variables involved in a study are represented on the X and Y axis. used cars for sale port st lucie under $5,000; chewy instinct raw boost mixers; roku voice remote pro not working; scatter diagram notes pdf; scatter diagram notes pdf. In such cases, these plotted points are scattered haphazardly across a graph, like in this representation below. Such representation provides an observation of the two variables which helps in analysing the data through the data points or dots shown in the diagram. Students can see its representation in this diagram given below. Let us take a look at the steps to create a scatter diagram: Record the data in a tabular form either in excel or by hand on paper. : A scatter diagram is known to have a perfect positive correlation if all the plotted points are on a straight line when represented on a graph. a}P@SD]]vXIQ : While scattering diagram definition looks to find the correlation between variables, students must note that there can be representations that are incoherent and scattered. Typically, these graphs look like the representation below. If our model is adequate, meaning R squared is at least 0.80 we can leverage the formula to build predictive equations as shown in the example below. Home Commerce Notes PPT [Commerce Class Notes] on Scatter Diagram Pdf for Exam. Plot the data on the chart, using concentric circles to indicate repeated data points. To understand how scatter diagrams work . This is also a valid analysis since it shows that the 2 given variables are not correlated. Find the lesser sum and the total number of dots in the sum of diagonally opposite quadrants. No Correlation: While scattering diagram definition looks to find the correlation between variables, students must note that there can be representations that are incoherent and scattered. The two issues are: Overplotting- Overplotting occurs when there are a lot of overlapping data points which makes it difficult for the observer to analyze the relationship between different variables. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Scatter diagrams in statistics and commerce are a vital tool that requires precision since their analysis depends on such representations. : If a scatter diagram represents a high degree of positive correlation then all its plotted points are roughly along a straight line, even though they do not clearly create a line. 1 0 obj best lighting for dark kitchen goodridge motorcycle brake lines scatter diagram notes pdf. 5. [PDF Notes] What are the main Properties of Correlation? A scatter diagram graphs one variable on the X-axis and the other variable on the Y-axis. This can be seen in this representation below. Here, every plotted point lies on a straight line without exception too. Using the above applications, a scatter diagram helps in identifying the Line of Best Fit, commonly known as the trendline to observe and interpret various trends across different graphs showing different data. A scatter diagram (or scatterplot) is a graph in which each point represents the values of the two variables. (x n,y n) be n pairs of observations. The study of such a graphical representation involving two variables and using such a diagram is known as scatter diagram analysis. 3. In such cases, these plotted points are scattered haphazardly across a graph, like in this representation below. Low Degree of Positive Correlation: Students who have understood these above-mentioned graphs and their representations can easily understand that in the case of a low degree of correlation, be it positive or negative, these plotted points are scattered. Observe the pattern, if there is any. This value is essential for furthering the analysis of different variables. %%EOF Uncategorized. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. {rwO&rn\R\JSYLeC v Z1R#R{i+rx$_ s\JjlX5#^sWR+#:Aw/v{:Ec2=zlPjsQ-U|5Dlg It indicates that the variables are correlated. If there are X points on the graphs, count X/2 points from top to bottom and left to right to make the quadrant. These variables can be taken as independent variables, though this makes the second variable dependent on this former one. The common challenges faced in scatter diagrams is that of making it and then interpreting it. Mark a dot on the graph where the values of both the variables intersect. %PDF-1.7 3 0 obj Notably, scatter diagram correlation is a quantitative measure of random variables and their association with each other. How can one tell if the scatter diagram is negative or positive? Here, every plotted point lies on a straight line without exception too. Among scatter diagram examples, a perfect negative correlation is reciprocal of the previous type. Brief notes on statistics: Part 2. <> Its relatively easier to create a scatter diagram using an Excel spreadsheet than making the data table on paper. Representing the scatter diagram meaning and values, in the event of a high degree of negative correlation, every plotted point forms a band that falls from top left corner to the right bottom corner. Menu. Additionally, students must also note that all these points form a straight line which is rising from its lower-left corner to the top right corner. Count the number of dots that are there in each quadrant. August 30, 2022 0 comments coleman pet booster seat instructions Join the Conversation; Home. hb```e`0.e`a`ed@ AP|k$``>b3cnH+mQuG, h``h`@ps@RL30EBZxHG?_1,-40X2PKQTbSC?P*\Ds7(9 g0``y iI}^\92bey[, ifi` l{+c"D?; Q{ 12:43 pm . Scatter Diagrams In Chapter 4, we describe the relation between two variables within one data set. Then click on the box to the . What type of data is represented in the scatter diagram? stream This representation typically forms a band-like structure which is rising from the bottom left corner towards the top right corner. Two variables involved in a study are represented on the X and Y axis. High Degree of Negative Correlation: Much like the 2 perfect correlations, high degrees of positive and negative correlation are reciprocal of each other. Notes 12.6 Scatter Plots, Correlation, and Regression . (ii) It can be easily understood and interpreted. However, unlike in the case of positive correlation, here this plotted point creates a line which is approaching from the top left corner towards the bottom right corner. Subsequently, offers detailed study material accompanied with questionnaires that help students ace their curriculum. Students can see its representation in this diagram given below. However, unlike in the case of positive correlation, here this plotted point creates a line which is approaching from the top left corner towards the bottom right corner. 2 0 obj High Degree of Negative Correlation: Much like the 2 perfect correlations, high degrees of positive and negative correlation are reciprocal of each other. Given the various data points or dots, in the scatter diagram the observer can identify the common and uncommon patterns of data, their respective values and the outlier points (abnormal distanced points) present when there are data gaps. Michael Wood 2 Figure 1: Scatter diagram based on Table 1 If, on the other hand, Advertising made little difference, or if it reduced sales, this would be obvious from the pattern in the scatter diagram. Scatter Diagram Example Summary Quick Links Introduction to Scatter Diagrams A scatter diagram is used to show the relationship between two kinds of data. However, the same steps are followed in both cases. Abstract and Figures. : While scattering diagram definition looks to find the correlation between variables, students must note that there can be representations that are incoherent and scattered. Among the importance of scatter diagrams, a low degree of correlation is also a vital analysis since it suggests incoherence. From the scatter diagram we. The diagrams of such representations look like the below-mentioned representation. The values of one variable are represented on the horizontal axis whereas the values of the other variables are . : Much like the representation immediately above, low degrees of negative correlation are represented on a graph with scatter points. The Scatter diagram method is a simple representation that is popularly used in commerce and statistics to find the correlation between two variables. If the variables X and Y are plotted along the X-axis and Y-axis respectively in the x-y plane of a graph sheet the resultant diagram of dots is known as scatter . What are the three main types of scatter diagrams? These graphs look like the one below. Recognizing the correlational relationship: There is a correlation between the independent variables present on the horizontal axis and the dependent variables present on the vertical axis. Its very much probable that the visible correlation is caused by a third unseen variable or the pattern observed is merely coincidental. But, if Q>=N, the pattern is the result of mere chance. This is also a valid analysis since it shows that the 2 given variables are not correlated. The table should have both the variables with their respective values and data range. To do this, right click on one of the dots and select Add Trendline from the menu that appears. VAG9#oN88Qqi[&K}'o This correlation can be identified and studied by observes to derive a probable value of the dependent variables on the vertical axis. : Students who have understood these above-mentioned graphs and their representations can easily understand that in the case of a low degree of correlation, be it positive or negative, these plotted points are scattered. is known as scatter diagram. Its common to interpret that related variables are dependent i.e. It's relatively easier to create a scatter diagram using an Excel spreadsheet than making the data table on paper. Notes of Puc 1, Economics problems on scatter diagram.pdf - Study Material 2. This can be seen in the representation below. Required fields are marked *. m74~E:[,h2%_(7}5a]vz8MI*@9%YMtN;(TE6$8M$PeAF6KG*($VPU}E?t9*jRyfUk$LJtE57 {b$s\ ak\jp"WXIn\.*{fP-]08ay1a^5OP*?cf\.r( <>/Pattern<>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 540] /Contents 4 0 R/Group<>/Tabs/S>> Draw a graph showing the independent variable on the x-axis and the dependent variable on the y axis. If the dots form an obvious line or a curve. Notably, though there can be many representations, each of which suggests different types of correlation, the most common and vital ones are explained below. These graphs look like the one below. Berichtauteur Door ; Berichtdatum jcb 531-70 operators manual; 2011 porsche cayenne engine for sale . Scatter diagrams are used widely in the subjects of commerce and statistics but arent limited to only these two subjects. Much like these various types of scatter diagrams, there are many topics and figures in standard 10 + 2 commerce which are vital for students. Divide the graph into four equal quadrants and observe the data points in each quadrant. The table should have both the variables with their respective values and data range. This paper describes a user-friendly computer program package containing an approach for the prediction of extreme waves based on the extrapolation of the scatter diagram of . Additionally, students must also note that all these points form a straight line which is rising from its lower-left corner to the top right corner. We use a scatter digram to show the relationship between two quantitative variables measured on the same individual. xXIoG46HADH9D9D!$l|o!H[yy'}7w%{w}]w*~qS~ha{ws (S'n7d>j_WS7r)g2V+iz~!o|Od%I]fV)jgnrS"tH]E|aES(rtD1o@yEK(D*N^xcMEsUJN-DWdkjyXEDTpgwv{vo&})&xiA>ap::~ Let (x 1,y 1), (x 2,y 2). the value of the variable on the y axis increases as the variable on the x-axis increases then the relationship is positive. m!2$g*(@ mL)=k)~ G+XrF O2EL+g ,5!("PVLzAw3qHD X`X :euCH PxAmCv0Db>hm Dn 2x0x'naGl1F;Lf'=@;s{&Pd!#b'FvStd4B'Gazv3tr This article traces some of the developments in the history of this graphical method, the origin of the term scatterplot, the role it has played in the history of science, and some of its modern . Mark a dot on the graph where the values of both the variables intersect. Step 7: Adding a trend line to the Scatter Diagram (Note: This is not really part of the scatter diagram, but is often added when the scatter diagram is used to show a linear relationship between the two variables.) After plotting all these points on a graph, the generated profiles of these scatter plots are used to draw an extrapolation. endobj For example, Table 2 and Figure 1a tell a very different story (which you will explore in Exercise 1 below): August 30, 2022. If the data points slant downward from left to right i.e. Scatter diagrams will generally show one of six possible correlations between the variables: Strong Positive Correlation The value of Y clearly increases as the value of X increases. For example, after brainstorming multiple causes and effects using a fishbone (cause and effect) diagram, your team might use a scatter diagram to determine whether a particular cause and effect are related. The two variables are like the input and output of a function. Representing the scatter diagram meaning and values, in the event of a high degree of negative correlation, every plotted point forms a band that falls from top left corner to the right bottom corner. Author. 0 : A scatter diagram is known to have a perfect positive correlation if all the plotted points are on a straight line when represented on a graph. These variables can be taken as independent variables, though this makes the second variable dependent on this former one. This relationship can be either linear or nonlinear, positive or negative, strong or weak. Perfect Negative Correlation: Among scatter diagram examples, a perfect negative correlation is reciprocal of the previous type. Low Degree of Negative Correlation: Much like the representation immediately above, low degrees of negative correlation are represented on a graph with scatter points. The three types of scatter diagrams are positive correlation, negative correlation, or no correlation. Representing the scatter diagram meaning and values, in the event of a high degree of negative correlation, every plotted point forms a band that falls from top left corner to the right bottom corner. scatter diagram notes pdf. Draw a graph showing the independent variable on the x-axis and the . Scatter diagrams can help us build predictive models. in case of change in one variable the other variable is bound to change as well. can say whether there is any . 4 0 obj CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. +K}y?? The table should have both the variables with their respective values and data range. If there are X points on the graphs, count X/2 points from top to bottom and left to right to make the quadrant. 360 0 obj <>/Filter/FlateDecode/ID[<9183773C62EE9B45B8F51F4BA088F214>]/Index[338 51]/Info 337 0 R/Length 101/Prev 328624/Root 339 0 R/Size 389/Type/XRef/W[1 2 1]>>stream scatter diagram notes pdf. {` jw In such cases, these plotted points are scattered haphazardly across a graph, like in this representation below. sv[ In homework this needs to be done on graph It could be the relationship between a cause and an effect, between one cause and another, or even between one cause and two others. 30 Aug. scatter diagram notes pdf. Scatter Diagrams: Linear Curve Fitting EXAMPLE a) Draw a scatter plot. scatter diagram notes pdf. It indicates that the variables are correlated. The diagrams of such representations look like the below-mentioned representation. The response variable is the variable whose value can be explained by the value of the explanatory variable. 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