Consider the situation in Exercise 8-48. Find a 99% lower

Chapter 8, Problem 49E

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QUESTION:

Consider the situation in Exercise 8-48. Find a 99% lower confidence bound on the standard deviation.

8.48: A rivet is to be inserted into a hole. A random sample of n = 15 parts is selected, and the hole diameter is measured. The sample standard deviation of the hole diameter measurements is s= 0.008 millimeters. Construct a 99% lower confidence bound for .

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QUESTION:

Consider the situation in Exercise 8-48. Find a 99% lower confidence bound on the standard deviation.

8.48: A rivet is to be inserted into a hole. A random sample of n = 15 parts is selected, and the hole diameter is measured. The sample standard deviation of the hole diameter measurements is s= 0.008 millimeters. Construct a 99% lower confidence bound for .

ANSWER:

Step 1 of 2

Given,

Sample size,

Standard deviation,

The Confidence Interval on the Variance is given as,

                                                         

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