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Answer :
a. Type of correlation is shown in diagram A is Positive correlation.
b. Diagram shows the strongest correlation is diagram B.
c. Line of best fit should not have been drawn is diagram C.
a.
The data points in Diagram A are generally increasing in a diagonal line from the bottom left to the top right. This indicates that as the value of one variable increases, the value of the other variable also increases.
b.
The data points in Diagram B are more tightly clustered around the line of best fit than the data points in Diagram A. This indicates that the relationship between the two variables in Diagram B is stronger.
c.
The data points in Diagram C are scattered randomly, with no discernible trend or pattern. This indicates that there is no clear relationship between the two variables, and therefore drawing a line of best fit is not appropriate.
Reason: A line of best fit is used to represent the overall trend in a dataset. If there is no clear trend in the data, then drawing a line of best fit is misleading.
Overall, Andy did a good job of drawing lines of best fit on Diagrams A and B. However, he should not have drawn a line of best fit on Diagram C.
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