MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The mean of a sample of 21 people who were playing the slot machines is 50.6 years, and the standard deviation is 6.8 years. The mean age of a sample of 30 people who were playing roulette is 53.6 with a standard deviation of 3.2 years. Can it be concluded at a=0.01 that mean age of those playing the slot machines is less than those playing roulette?

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