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The length of a rod was measured eight times. The

Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi ISBN: 9780073401331 38

Solution for problem 11E Chapter 3.1

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition | ISBN: 9780073401331 | Authors: William Navidi

Statistics for Engineers and Scientists | 4th Edition

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Problem 11E

The length of a rod was measured eight times. The measurements in centimeters, in the order they were taken, were 21.20, 21.22, 21.25, 21.26, 21.28, 21.30, 21.32, 21.35.

a. Do these measurements appear to be a random sample from a population of possible measurements? Why or why not?

b. Is it possible to estimate the uncertainty in these measurements? Explain.

Step-by-Step Solution:
Step 1 of 3

Solution 11E

Step1 of 3:

Let us consider a variable X it presents length of the rod was measured eight times And this length is measured in cm’s.

X

21.2

21.22

21.25

21.26

21.28

21.3

21.32

21.35

Here our goal is:

a).We need to check is these measurements appear to be a random sample from a population of possible measurements? Why or why not?

b).We need to check Is it possible to estimate...

Step 2 of 3

Chapter 3.1, Problem 11E is Solved
Step 3 of 3

Textbook: Statistics for Engineers and Scientists
Edition: 4
Author: William Navidi
ISBN: 9780073401331

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