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Math·Problem-Solving and Data Analysis·One-variable data: Distributions and measures of center and spread

hard

Data set A: $8,11,12,15,21,27$
Data set B: $9,12,13,16,22,h$

Data sets A and B each consist of $6$ values as shown, where $h$ is a constant. If the standard deviation of data set A is greater than the standard deviation of data set B, which of the following could be the value of $h$? I. $23$ II. $28$ III. $29$

A

I only

B

II only

C

III only

D

II or III