Question: Problem 10.33 Refer back to Problem 10.23. (a) Plot the studentized residuals against predicted hardness for the regression Model(Y = hardness |X = time). (b)

Problem 10.33 Refer back to Problem 10.23.

(a) Plot the studentized residuals against predicted hardness for the regression Model(Y = hardness |X = time).

(b) Draw the normal probability plots of the studentized residuals.

(c) Are these plots consistent with the hypotheses of the simple linear regression model? Justify your conclusions.

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