Elementary Statistics with Student Access Kit
Elementary Statistics with Student Access Kit
12th Edition
ISBN: 9780321869470
Author: Mario F. Triola
Publisher: PEARSON
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Chapter 12.3, Problem 3BSC
To determine

To explain: The interaction between two factors and the interaction affects the procedure when there is an interaction effect by using two-way analysis of variance.

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A simple random sample of 40 items resulted in a sample mean of 25. The population standard deviation is 5. a. What is the standard error of the mean (to 2 decimals)?  b. At 95% confidence, what is the margin of error (to 2 decimals)?
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Elementary Statistics with Student Access Kit

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