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Mathematics, 10.10.2019 03:10 egirl31

Which of the following is not a property of the standard deviation? choose the correct answer below.
a. the value of the standard deviation is never negative.
b. when comparing variation in samples with very different means, it is good practice to compare the two sample standard deviations.
c. the units of the standard deviation are the same as the units of the original data.
d. the standard deviation is a measure of variation of all data values from the mean.

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