Refer to Table D.12 of the Data Bank. The responses, of persons in the first and third

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Refer to Table D.12 of the Data Bank. The responses, of persons in the first and third age groups to the average monthly amount charged, have the summary statistics

Determine a 95% confidence interval for the difference of means.

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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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Question Posted: Apr 19, 2016 11:07 AM

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Refer to Table D.12 of the Data Bank. The responses, of persons in the first and third

Question:

Age ni 19-24 18 177.2 235.0 35-4448 563.9831.3

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