The following sample observations were randomly selected.(Do not round the intermediate values. Round your answers to 2 decimal places.)

X:

4

5

3

6

10

Y:

9.7

5

8.9

15.3

23.5

a.Determine the 0.95 confidence interval for the mean predicted when

X=7(,)

b.Determine the 0.95 prediction interval for an individual predicted when

X=7 (,)