The same achievement test is given to soldiers selected at random from two units. The scores they

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The same achievement test is given to soldiers selected at random from two units. The scores they attained are summarized as follows:

Construct a 90% confidence interval for the difference in the mean level of the two units.

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Elementary Statistics

ISBN: 9780538733502

11th Edition

Authors: Robert R. Johnson, Patricia J. Kuby

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Question Posted: Aug 28, 2015 03:43 AM

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The same achievement test is given to soldiers selected at random from two units. The scores they

Question:

Unit I:n, 70,x 73.2s 6.1 Unit 2: n 60,T70.5,s 5.5

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Step 1 The difference between the mean scores for two units of soldiers 1 ...View the full answer

Elementary Statistics

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