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.


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  • CreatedJuly 29, 2015
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