Which One of the Following Suggests That the Data Set $68 \%$

Multiple Choice

Which one of the following suggests that the data set is not approximately normal?

A) A data set with $68 \%$ of the measurements within $\bar { x } \pm 2 \mathrm {~s}$ .
B) A data set with IQR $= 752$ and $s = 574$ .
C)

D)