# Question

Suppose the Department of Energy would like to investigate the linear relationship between the cost of heating a home during the month of February in the Northeast and the home’s square footage. Data for a random sample of 10 homes are as follows:

a. Construct a 90% confidence interval to estimate the average cost in February to heat a Northeast home that is 2,400 square feet.

b. Verify your results with PHStat.

a. Construct a 90% confidence interval to estimate the average cost in February to heat a Northeast home that is 2,400 square feet.

b. Verify your results with PHStat.

## Answer to relevant Questions

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