medium · SAT Math
Data set A consists of the values 10, 20, 30, 40, 50. Data set B consists of the values 28, 29, 30, 31, 32. Both data sets have a mean of 30.
Which statement correctly compares the standard deviations of the two data sets?
- Data set A has a greater standard deviation than data set B.
- The two data sets have the same standard deviation because they have the same mean.
- There is not enough information to compare the standard deviations.
- Data set B has a greater standard deviation than data set A.
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