MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Determine the sample size required to estimate the mean score on a standardized test within 5points of the true mean with 98% confidence. Assume that s=15 based on earlier studies.
B. 147
C. 49
D. 7
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