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You may need to use the appropriate appendix table or technology to answer this question. A...

You may need to use the appropriate appendix table or technology to answer this question.

A certain association provided data on the cost of the most popular home remodeling projects. Sample data on the cost in thousands of dollars for two types of remodeling projects are as follows.

Kitchen Master
Bedroom
26.2 19.0
18.4 23.9
24.8 27.4
23.9 25.8
21.7 27.9
25.0 18.8
20.7 25.6
17.9 22.0
22.8
24.6

(a) Develop a point estimate of the difference (in thousands of dollars) between the population mean remodeling costs for the two types of projects.

(b) Develop a 90% confidence interval for the difference (in thousands of dollars) between the two population means.

Math   Statistics-And-Probability   
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