The length of a rod was measured eight times. The

Chapter 3, Problem 11E

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QUESTION:

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.

Questions & Answers

QUESTION:

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.

ANSWER:

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

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