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

A:2.2

to7.2

;B:2.4

to7.0

;

(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