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Consider the following data for two independent random samples taken from two normal populations. Sample 1 10 | 6 14 79 8 Sample 2 8 8 4 6 9 (a) Compute the two sample means. Sample 1 9 Sample 2 7 (b) Compute the two sample standard deviations. (Round your answers to two decimal places.) Sample 1 2.828 Sample 2 1.789 (c) What is the point estimate of the difference between the two population means? (Use Sample 1 - Sample 2.) 2 (d) What is the 90% confidence interval estimate of the difference between the two population means? (Use Sample 1 - Sample 2. Round your answers to two decimal places.) 0.247 x to 4.247

Consider the following data for two independent random samples taken from two normal populations. Sample 1 10 | 6 14 79 8 Sample 2 8 8 4 6 9 (a) Compute the two sample means. Sample 1 9 Sample 2 7 (b) Compute the two sample standard deviations. (Round your answers to two decimal places.) Sample 1 2.828 Sample 2 1.789 (c) What is the point estimate of the difference between the two population means? (Use Sample 1 - Sample 2.) 2 (d) What is the 90% confidence interval estimate of the difference between the two population means? (Use Sample 1 - Sample 2. Round your answers to two decimal places.) 0.247 x to 4.247

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Consider the following data for two independent random samples taken from two normal populations. Sample 1 10 6 14 798 Sample 2 8 7 8 4 6 9 (a) Compute the two sample means. Sample 1 Sample 2 (b) Compute the two sample standard deviations. (Round your answers to two decimal places.) Sample 1 2.828 Sample 2 1.789 (c) What is the point estimate of the difference between the two population means? (Use Sample 1 - Sample 2.) 2 (d) What is the 90% confidence interval estimate of the difference between the two population means? (Use Sample 1 - Sample 2. Round your answers to two decimal places.) 0.247 X to 4.247
Transcribed Image Text:Consider the following data for two independent random samples taken from two normal populations. Sample 1 10 6 14 798 Sample 2 8 7 8 4 6 9 (a) Compute the two sample means. Sample 1 Sample 2 (b) Compute the two sample standard deviations. (Round your answers to two decimal places.) Sample 1 2.828 Sample 2 1.789 (c) What is the point estimate of the difference between the two population means? (Use Sample 1 - Sample 2.) 2 (d) What is the 90% confidence interval estimate of the difference between the two population means? (Use Sample 1 - Sample 2. Round your answers to two decimal places.) 0.247 X to 4.247
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