The following are the heat- producing capacities of coal from two mines (in millions of calories per

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The following are the heat- producing capacities of coal from two mines (in millions of calories per ton):

Assuming that the data constitute independent random samples from normal populations with equal variances, construct a 99% confidence interval for the difference between the true average heat-producing capacities of coal from the two mines.

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John E Freunds Mathematical Statistics With Applications

ISBN: 9780134995373

8th Edition

Authors: Irwin Miller, Marylees Miller

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Question Posted: Nov 04, 2015 03:36 AM

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The following are the heat- producing capacities of coal from two mines (in millions of calories per

Question:

Mine A: 8,500. 8,330. 8,480, 7,960. 8,030 Mine B: 7,710. 7,890. 7,920, 8,270. 7860

Step by Step Answer:

1 8260 s 1 25189 2 7930 s 2 20652 ...View the full answer

John E Freunds Mathematical Statistics With Applications

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