8.7 Independent random sampling from two normally distributed populations gives the following results: nx = 81; x

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8.7 Independent random sampling from two normally distributed populations gives the following results:

nx = 81; x = 140; s2x

= 25 ny = 100; y = 120; s2y

= 14 Find a 95% confidence interval estimate of the difference between the means of the two populations.

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Essential Mathematics And Statistics For Science

ISBN: 9780470694480

2nd Edition

Authors: Graham Currell, Dr. Antony Dowman

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Question Posted: Sep 21, 2024 02:03 PM

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8.7 Independent random sampling from two normally distributed populations gives the following results: nx = 81; x

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Essential Mathematics And Statistics For Science

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