Chapter 12.1, Problem 3E

To determine

To Explain: that the state for performing inference about the ${\beta }_1$ slope of the line of population regression is not met on the basis of given figure.

Answer to Problem 3E

Equal variance needs have not been met.

Explanation of Solution

Given:

  

There are total five conditions for the regression inferences are normal, equal variance, random, independent and linear. The equal variance needs have not been met; the reason is that the vertical spread is greater than the right than it is to the left in the residual plot.