The thicknesses (in inches) of 15 randomly selected washers produced by a machine are listed. Use a

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The thicknesses (in inches) of 15 randomly selected washers produced by a machine are listed. Use a 95% level of confidence.

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

(a) The population variance σ2

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

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Elementary Statistics Picturing The World

ISBN: 9780321911216

6th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: Nov 24, 2015 07:53 AM

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The thicknesses (in inches) of 15 randomly selected washers produced by a machine are listed. Use a

Question:

0.422 0.424 0.424 0.430 0.419 0.424 0.420 0.424 0.425 0.425 0.423 0.431 0.437 0.422 0.434

Step by Step Answer:

a s 2 0000027209 n 1s 2 X R 2 n 1s 2 X L 2 14 0000027209 26119 14 0000...View the full answer

Elementary Statistics Picturing The World

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