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# c. Suppose that a sample of 15 strands of drapery yarn has ## Problem 79E Chapter 1

Probability and Statistics for Engineering and the Sciences | 9th Edition

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Problem 79E

c. ?Suppose that a sample of 15 strands of drapery yarn has resulted in a sample mean thread elongation of 12.58 mm and a sample standard deviation of .512 mm. A 16th strand results in an elongation value of 11.8. What are the values of the sample mean and sample standard deviation for all 16 elongation observations?

Step-by-Step Solution:

Solution: Step 1: Here a sample of 15 strands of drapery yarn has resulted in a sample mean thread elongation of 12.58 mm and a sample standard deviation of .512 mm.A 16th strand results in an elongation value of 11.8. We have to find the sample mean and standard deviation for all 16 elongation observations.

Step 2 of 2

##### ISBN: 9780321629111

This textbook survival guide was created for the textbook: Probability and Statistics for Engineering and the Sciences, edition: 9. Probability and Statistics for Engineering and the Sciences was written by and is associated to the ISBN: 9780321629111. The full step-by-step solution to problem: 79E from chapter: 1 was answered by , our top Statistics solution expert on 05/06/17, 06:21PM. Since the solution to 79E from 1 chapter was answered, more than 258 students have viewed the full step-by-step answer. This full solution covers the following key subjects: sample, elongation, deviation, mean, standard. This expansive textbook survival guide covers 18 chapters, and 1582 solutions. The answer to “c. ?Suppose that a sample of 15 strands of drapery yarn has resulted in a sample mean thread elongation of 12.58 mm and a sample standard deviation of .512 mm. A 16th strand results in an elongation value of 11.8. What are the values of the sample mean and sample standard deviation for all 16 elongation observations?” is broken down into a number of easy to follow steps, and 57 words.

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