Suppose you want to construct a 95% confidence interval for mean aggression scores as in Exercise 8.11,
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Suppose you want to construct a 95% confidence interval for mean aggression scores as in Exercise 8.11, and you can assume that the standard deviation of the estimate is 5. How many experimental subjects do you need for the half-width of the interval to be no larger than 0.4?
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Related Book For 
Introductory Biostatistics For The Health Sciences
ISBN: 9780471411376
1st Edition
Authors: Michael R. Chernick, Robert H. Friis
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