The diameters (in inches) of 18 randomly selected bolts produced by a machine are listed. Use a

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The diameters (in inches) of 18 randomly selected bolts produced by a machine are listed. Use a 95% level of confidence.

4.477 4.425 4.034 4.317 4.003 3.760 3.818 3.749 4.240 3.941 4.131 4.545 3.958 3.741 3.859 3.816 4.448 4.206

Assume the sample is from a normally distributed population and construct the indicated confidence intervals for

(a) The population variance σ² and

(b) the population standard deviation σ. Interpret the results.

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Elementary Statistics Picturing The World

ISBN: 9780134683416

7th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: May 15, 2019 11:34 AM

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The diameters (in inches) of 18 randomly selected bolts produced by a machine are listed. Use a

Question:

4.477 4.425 4.034 4.317 4.003 3.760 3.818 3.749 4.240 3.941 4.131 4.545 3.958 3.741 3.859 3.816 4.448 4.206

Step by Step Answer:

a b With 95 confidence you can say that the p...View the full answer

Elementary Statistics Picturing The World

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