Chrome File Edit View History Bookmarks People Window Help us. 5496D Thu Nov 9 1

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Chrome File Edit View History Bookmarks People Window Help us. 5496D Thu Nov 9 11:05 AM E MINDTAP From Cengage Chapter 10 Assignment 9 Due Today at 11:59 PM EST 13. 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 of remodeling projects are as follows. Excel File: data10-41.xisx Kitchen 25.2 17.4 22.8 21.9 19.7 Kitchen 23.0 19.7 16.9 Master Bedroom 17.8 24.6 21.0 Master Bedroom 18.0 22.9 26.4 24.8 26.9 23.6 a. Develop a two point estimate of the difference between the population mean remodeling costs for the two types of projects. Enter negative values as negative numbers. Point estimateS (Report in dollars with no commas in your answer.) b. Develop a 90% confidence interval for the difference between the two population means. (to 1 decimal and enter negative values as negative numbers) 90% CI (n1, n2) in thousands of dollars Hide Feedback Incorrect Check My Work Icon Key

Explanation / Answer

Point estimate = 21.2 - 22.8 = -1.6

Given Data Kitchen Master Bedroom Name mean 21.2 22.8 Sample size 10 8 Std. dev. 7.32 12.61

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