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# Module 6: Problem 9 Previous Problem Problem List Next Problem (1 point) In the following questions,...

## Question

###### Module 6: Problem 9 Previous Problem Problem List Next Problem (1 point) In the following questions,...

Module 6: Problem 9 Previous Problem Problem List Next Problem (1 point) In the following questions, use the t-distribution to find a confidence interval for a difference in means #1 - Ma given the relevant sample results. Give the best point estimate for Hi-12, the margin of error, and the confidence interval. Assume the results come from random samples from a populations that are approximately normally distributed. Give your answers to 2 decimal places 1. A 80% interval for Mi - M2 using the sample results #1 = 6.2,81 = 6.2, 11 = 60 and 72 = 9.6,82 = 5.1, = 92. Use 1 = 1.289. a. Point estimate: b. Margin of error: c. Confidence interval:( 2. A 90% interval for Mi - Hz using the sample results #1 = 19.8,5 = 6.1. - 90 and 12 = 13.4,83 = 5.4.12 = 64. Use 1* = 1.655. a. Point estimates b. Margin of error: c. Confidence interval:( 3. A 90% interval for H1 - My using the sample results 21 = 29.8, 5, -6.8. = 96 and 7, - 20.2.82 = 5.8, = = 98. Uso * = 1.653 a Point estimate b. Margin of error: c. Confidence interval:( tombe df Lecture 10L - SL.pdf 30 MacBook Pro 000 DOO esc w3 \$ 4 & 7 1 2 5 6 8

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