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10.1 Practice Assignment: 10.1 Practice (Practice) Assignment Score: 50.00% Save Submit Assignment Question 2 of 2 Questions Exercise 10.01 Algo (Inferences About the Difference Between Two Population Means: Sigmas Known) 1. Hint(s) Check My Work 2. The following results come from two independent random samples taken of two populations. Sample 1 Sample 2 n = 40 n2 = 35 1 = 13.8 2 = 11.5 01 = 2.5 2 = 3.3 a. What is the point estimate of the difference between the two population means? (to 1 decimal) 5 b. Provide a 90% confidence interval for the difference between the two population means (to 2 decimals). 1.02 2.98 ) c. Provide a 95% confidence interval for the difference between the two population means (to 2 decimals). .83 Hide Feedback Incorrect 3.17 ) Hint(s) Check My Work 10.1 Practice Assignment: 10.1 Practice (Practice) Assignment Score: 50.00% Save Submit Assignment Question 2 of 2 Questions Exercise 10.01 Algo (Inferences About the Difference Between Two Population Means: Sigmas Known) 1. Hint(s) Check My Work 2. The following results come from two independent random samples taken of two populations. Sample 1 Sample 2 n = 40 n2 = 35 1 = 13.8 2 = 11.5 01 = 2.5 2 = 3.3 a. What is the point estimate of the difference between the two population means? (to 1 decimal) 5 b. Provide a 90% confidence interval for the difference between the two population means (to 2 decimals). 1.02 2.98 ) c. Provide a 95% confidence interval for the difference between the two population means (to 2 decimals). .83 Hide Feedback Incorrect 3.17 ) Hint(s) Check My Work
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