MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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You may need to use the appropriate appendix table or technology to answer this question.
Consider the following data for two independent random samples taken from two normal populations.
Sample 1 10 7
Sample 2
8
7
13 7 9
8
(a) Compute the two sample means.
Sample 1
Sample 2
4
∞
6 9
(b) Compute the two sample standard deviations. (Round your answers to two decimal places.)
Sample 1
Sample 2
(c) What is the point estimate of the difference between the two population means? (Use Sample 1 - Sample 2.)
(d) What is the 90% confidence interval estimate of the difference between the two population means? Use df = 9 . (Use Sample 1 – Sample 2. Round your answers to two decimal places.)
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Transcribed Image Text:You may need to use the appropriate appendix table or technology to answer this question. Consider the following data for two independent random samples taken from two normal populations. Sample 1 10 7 Sample 2 8 7 13 7 9 8 (a) Compute the two sample means. Sample 1 Sample 2 4 ∞ 6 9 (b) Compute the two sample standard deviations. (Round your answers to two decimal places.) Sample 1 Sample 2 (c) What is the point estimate of the difference between the two population means? (Use Sample 1 - Sample 2.) (d) What is the 90% confidence interval estimate of the difference between the two population means? Use df = 9 . (Use Sample 1 – Sample 2. Round your answers to two decimal places.) to
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