Answer :
Final answer:
A scatter diagram is a graphical representation of data points that shows the relationship between two variables. By plotting the points on a graph and analyzing the pattern, we can determine if the variables are good candidates for linear regression.
Explanation:
Scatter Diagram
A scatter diagram is a graphical representation of a set of data points. It is used to show the relationship between two variables. In this case, we have 5 data points (1,5), (2,10), (3,7), (4,14), and we can plot these points on a graph using the x and y coordinates.
To create the scatter diagram, we label the x-axis with the independent variable (x) and the y-axis with the dependent variable (y). Then, we plot the data points using different symbols for each material. Finally, we connect the points to show the dependence of y on x.
The scatter diagram can help us analyze the pattern in the data. If the points on the graph form a line or a curve, it indicates a relationship between the variables. We can determine if the variables are good candidates for linear regression by examining the pattern and the distribution of the points.
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