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170f17 -/2.1 i: 3 Two intervals are given, A and B, for the same value of the explanatory variable. A: 19.9 to 21.9; B: 16.2 to 25.6; (a) Which interval is the condence interval for the mean response? 0 Which interval is the prediction interval for the response? 0 (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 eTextbook and Media Hint