Question

In: Statistics and Probability

Suppose a government department would like to investigate the relationship between the cost of heating a...

Suppose a government department would like to investigate the relationship between the cost of heating a home during the month of February in the Northeast and the​home's square footage. The accompanying data set shows a random sample of 10 homes. Construct a​ 90% confidence interval to estimate the average cost in February to heat a Northeast home that is 2,900 square feet.

Heating

Square

Heating

Square

Cost​ ($)

Footage

Cost​ ($)

Footage

330

2,410

440

2,610

300

2,410

340

2,210

300

2,020

380

3,150

250

2,210

330

2,530

310

2,310

360

2,950

Determine the upper and lower limits of the confidence interval.

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