Bradford Electric Illuminating Company is studying the relationship between kilowatt-hours (thousands) used and the number of rooms in a private single-family residence. A random sample of 10 homes yielded the following.

Number of Rooms Kilowatt-Hours (thousands) Number of Rooms Kilowatt-Hours (thousands)
12 9 8 6
9 7 10 8
14 10 10 10
6 5 5 4
10 8 7 7
Required:
Determine the 95% confidence interval, in thousands of kilowatt-hours, for the mean of all six-room homes.
Note: Do not round intermediate calculations. Round your final answers to 3 decimal places.



Determine the 95% prediction interval, in thousands of kilowatt-hours, for a particular six-room home.
Note: Do not round intermediate calculations. Round your final answers to 3 decimal places.