The National Association of Home Builders provided data on the cost of the most popular home remodeling projects. Sample data on cost in thousands of dollars for two types if remodeling projects are as follows. Kitchen Master Bedroom 25.2 18.0 17.4 22.9 22.8 26.4 21.9 24.8 19.7 26.9 23.0 17.8 19.7 24.6 16.9 21.0 21.8 23.6 a. Compute the sample mean and sample standard deviation for each type of project. b. Develop a point estimate of the difference between the population mean remodeling costs for the two types of projects. c. Develop a 90% confidence interval for the difference between the two population means.
- The National Association of Home Builders provided data on the cost of the most popular home remodeling projects. Sample data on cost in thousands of dollars for two types if remodeling projects are as follows.
Kitchen Master Bedroom
25.2 18.0
17.4 22.9
22.8 26.4
21.9 24.8
19.7 26.9
23.0 17.8
19.7 24.6
16.9 21.0
21.8
23.6
a. Compute the sample mean and sample standard deviation for each type of project.
b. Develop a point estimate of the difference between the population mean remodeling costs for the two types of projects.
c. Develop a 90% confidence interval for the difference between the two population means.
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