Refer to Exercise 24.Asample of six repair records for a

Chapter 5, Problem 25SE

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QUESTION:

Refer to Exercise 24. A sample of six repair records for a different type of component was drawn. The repair costs, in dollars, were as follows.

93         97         27         79         81         87

Would it be appropriate to compute a 95% confidence interval for the population standard deviation of the costs? If so, compute it. If not, explain why not.

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QUESTION:

Refer to Exercise 24. A sample of six repair records for a different type of component was drawn. The repair costs, in dollars, were as follows.

93         97         27         79         81         87

Would it be appropriate to compute a 95% confidence interval for the population standard deviation of the costs? If so, compute it. If not, explain why not.

ANSWER:

Solution

Step 1 of 1

Here we have to tell whether we can find the 95% confidence for the population standard deviation  interval for the given 6 sample values

The given values are 93, 97, 27, 79, 81, 87

For finding that we have to draw the scatter plot

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