Assignment Score: 13.72% Save Submit Assignment for Grading Exercise 10.41 (Inferences About the Difference Between Two Population Means: Sigmas Unknown) Question 7 of 9 Hint(s) Check My Work (4 remaining) 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.xlsx Kitchen Master Bedroom Kitchen Master Bedroom 25.2 18.0 23.0 17.8 17.4 22.9 19.7 24.6 22.8 26.4 16.9 21.0 21.9 24.8 21.8 19.7 26.9 23.6 a. Develop a point estimate of the difference between the population mean remodeling costs of kitchens and master bedrooms. (Enter negative values as negative numbers. Report in thousands of dollars with no commas in your answer.) Jestions Navigation Menu S thousand b. Develop a 90%% confidence interval for the difference between the two population means. (to 1 decimal and enter negative values as negative numbers) A+ ) in thousands of dollars. Hint(s) Check My Work (4 remaining) Om Icon Key Question 7 of 9 Exercise 10.41 (Inferences About the Difference Between Two Population Means: Sigmas Unknown) MacBook Air