The following sample observations were randomly selected Do

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:

10.7

5

8.9

16.3

22.5

Determine the 0.95 confidence interval for the mean predicted when
X = 6 ( , )

Determine the 0.95 prediction interval for an individual predicted when
X = 6 ( , )

Solution

When x =6, y = 0.74+2.132(6)

= 0.74+12.792

= 13.532

-------------------------------------

Point estimate = 13.532