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A researcher wanted to compare the level of dispersion of four data sets. They calculated the mean and standard deviation for each group and then
A researcher wanted to compare the level of dispersion of four data sets. They calculated the mean and standard deviation for each group and then calculated the coefficient of variation for each group. Which group had the lowest dispersion? a. Group A CV = 21.6% b. Group B CV = 22.1% c. Group C CV = 20.9% d. Group D CV = 20.1%
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Probability and Stochastic Processes A Friendly Introduction for Electrical and Computer Engineers
Authors: Roy D. Yates, David J. Goodman
3rd edition
1118324560, 978-1118324561
