The waiting times (in minutes) of a random sample of 26 people at a book-signing event have

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The waiting times (in minutes) of a random sample of 26 people at a book-signing event have a sample standard deviation of 4.9 minutes. Use a 99% 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: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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Question Posted: Apr 29, 2024 05:01 AM

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The waiting times (in minutes) of a random sample of 26 people at a book-signing event have

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a 128 571 b 36 76 With 99 confide...View the full answer

Elementary Statistics Picturing The World

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