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 ( , )