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 6 14 7 9 8 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 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 Sample 1 − Sample 2. Round your answers to two decimal places.) to

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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
6
14
7
9
8
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

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 Sample 1 − Sample 2. Round your answers to two decimal places.)
to

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