You may need to use the appropriate appendix table or technology to answer this question.Recall the method used to obtain a confidence interval for the difference between two population means for matched samples.(a)The following data are from matched samples taken from two populations. Compute the difference value for each element. (Use Population 1 − Population 2.)ElementPopulationDifference121116 276 394 4125 5138 61513 71512 (b)Computed. (c)Compute the standard deviationsd.(Round your answer to two decimal places.) (d)What is the point estimate of the difference between the two population means? (Use Population 1 − Population 2.) (e)Provide a 95% confidence interval for the difference between the two population means. (Use Population 1 − Population 2. Round your answers to two decimal places.)to

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A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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You may need to use the appropriate appendix table or technology to answer this question.

Recall the method used to obtain a confidence interval for the difference between two population means for matched samples.

(a)

The following data are from matched samples taken from two populations. Compute the difference value for each element. (Use Population 1 − Population 2.)

Element	Population	Difference
1	2
1	11	6
2	7	6
3	9	4
4	12	5
5	13	8
6	15	13
7	15	12

(b)

Compute

(c)

Compute the standard deviation

s_d.

(Round your answer to two decimal places.)

(d)

What is the point estimate of the difference between the two population means? (Use Population 1 − Population 2.)

(e)

Provide a 95% confidence interval for the difference between the two population means. (Use Population 1 − Population 2. Round your answers to two decimal places.)

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