Question

A website that rents movies online recorded the age and the number of movies rented during the past month for some of their customers. Here are their data:
Age Rentals
35 .... 9
40 .... 8
50 .... 4
65 .... 3
40 .... 10
30 .... 12
Make a scatterplot for these data. What does it tell you about the relationship between these two variables? From computer output, the regression line has
b0 = 18.9 and b1 = - 0.260.
a) Use the estimated regression equation to predict Rentals for all six values of Age.
b) Find the residuals ei.
c) Calculate the residual standard deviation, se.


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  • CreatedMay 15, 2015
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