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1.Below is a scatterplot of two numeric variables, X and Y, that were fit with an OLS linear regression model. a.Estimate the value of the

1.Below is a scatterplot of two numeric variables, X and Y, that were fit with an OLS linear regression model.

a.Estimate the value of the residual for the point indicated by the arrow.

b.The Pearson correlation coefficient for this data is r = -0.61.What is the 95% confidence interval for the true correlation between X and Y?

Given: critical = 2.16

c.Would it be appropriate to report the confidence interval you calculated in part (c) to describe the relationship between X and Y?Why/why not?Be specific. (2pt)

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