8.6 Independent random sampling from two normally distributed populations gives the following results: nx = 87; x

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

nx = 87; x = 115; sx = 25 ny = 88; y = 109; sy = 15 Find a 99% confidence interval estimate of the difference in 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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