Two intervals are given, A and B, for the same value of the explanatory variable.

A:2

to20

;B:6

to16

;

(a) Which interval is the confidence interval for the mean response?

A

B

Which interval is the prediction interval for the response?

B

A

(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

.

exact number, no tolerance

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