ighment Gradebook n Assignment Chapter 9, Section 3, Exercise 055 Two intervals

Question

ighment Gradebook n Assignment Chapter 9, Section 3, Exercise 055 Two intervals are given, A and B, for the same value of the explanatory variable. A: 3 to 17 :2 to 18, 2n on (a) Which interval is the confidence interval for the mean response? Which interval is the prediction interval for the response? (b) What is the predicted value of the response variable for this value of the explanatory variable? Enter the exact answer. The predicted value is Click if you would like to show work for this question: exact numbet ne tolerance Openibonw sHOW HINT

Explanation / Answer

a) Prediction interval is always wider than confidence interval. Hence,

Confidence interval: A

Prediction interval: B

b) Predicted value = (2 + 18)/2 = 20/2 = 10

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