medium · SAT Math
Data set A consists of the values 4, 5, 6, 7, 8. Data set B consists of the values 2, 4, 6, 8, 10. Both data sets have a mean of 6 and contain 5 values.
Which statement correctly compares the standard deviations of the two data sets?
- The standard deviations are equal because the two data sets have the same number of values.
- The standard deviation of data set B is greater than that of data set A.
- The standard deviations are equal because the two data sets have the same mean.
- The standard deviation of data set A is greater than that of data set B.
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