# Question

Refer to Exercise. Two MINITAB residual plots for the simple linear regression model are shown below.

a. Which graph should be used to check for normal errors? Does the assumption of normality appear to be satisfied?

b. Which graph should be used to check for unequal error variances? Does the assumption of equal variances appear to be satisfied?

a. Which graph should be used to check for normal errors? Does the assumption of normality appear to be satisfied?

b. Which graph should be used to check for unequal error variances? Does the assumption of equal variances appear to be satisfied?

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