Two intervals are given, A and B, for the same value of the explanatory variable. A: 16.3 to 22.1; B: 17.8 to 20.6; (a) Which interval is the confidence interval for the mean response? B Which interval is the prediction interval for the response? A (b) What is the predicted value of the response variable for this value of the explanatory variable? Enter the exact answer.

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