With reference to Exercise 11.36, construct a 90% confidence interval for the ratio of the variances of
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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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Related Book For
John E Freunds Mathematical Statistics With Applications
ISBN: 9780134995373
8th Edition
Authors: Irwin Miller, Marylees Miller
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