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Text exercise 39 page 638. This question uses the same data as exercise 2 above, and...

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Text exercise 39 page 638. This question uses the same data asexercise 2 above, and the data is in the accompanyingspreadsheet.
(a) Estimate the regression in Excel and report the regressionline.Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â [2pts]
(b) Calculate aÂ Â 95% confidence interval for theforecast of the average amount spent on entertainment at a citywhere the room rate is$89.Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â [3pts]
(b) Calculate aÂ Â 90% confidence interval for theforecast of the idiosyncratic amount spent on entertainment at acity where the room rate is the average rate of$128.Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â [3pts]
(d) Use a t-test to test the hypothesis that there is a 1 to 1relationship between entertainment expenses and hotel expenses. (ietest H0:Î²=1)Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
DATA:
Data for Problem 39 p638
city room rate Entertainment
Boston 148 161
Denver 96 105
Nashville 91 101
New Orleans 110 142
Phoenix 90 100
San Fdiego 102 120
San Francisco 136 167
San Jose 90 140
Tampa 82 98

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