Question
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
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 | 13 | 7 | 9 | 8 |
---|---|---|---|---|---|---|
Sample 2 | 8 | 7 | 8 | 4 | 6 | 9 |
(a)Compute the two sample means.Sample 1Sample 2
(b)Compute the two sample standard deviations. (Round your answers to two decimal places.)Sample 1Sample 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 Sample 1 Sample 2. Round your answers to two decimal places.) to
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