The Following List Shows the Age at Appointment of U

The following list shows the age at appointment of U.S. Supreme Court Chief Justices appointed since 1900. Use the data to answer the question. $$\begin{array}{l}\begin{array} { | l | c | } \hline { \text { Last Name } } & \text { Age } \\\hline \text { White } & 65 \\\hline \text { Taft } & 63 \\\hline \text { Hughes } & 67 \\\hline \text { Stone } & 68 \\\hline \text { Vinson } & 56 \\\hline\end{array}&\begin{array} { | l | c | } \hline { \text { Last Name } } & \text { Age } \\\hline \text { Warren } & 62 \\\hline \text { Burger } & 61 \\\hline \text { Rehnquist } & 61 \\\hline \text { Roberts } & 50 \\\hline\end{array}\end{array}$$
-The U.S. Supreme Court Chief Justice data was used to create the following output in an Excel spreadsheet. Choose the statement that best summarizes the variability of the dataset. $$\begin{array} { | l | r | } \hline { \text { Column1 } } \\\hline \text { Standard Error } & 1.864217971 \\\hline \text { Standard Deviation } & 5.592653912 \\\hline \text { Sample Variance } & 31.27777778 \\\hline \text { Kurtosis } & 1.177934931 \\\hline \text { Skewness } & - 1.064306225 \\\hline \text { Range } & 18 \\\hline \text { Minimum } & 50 \\\hline \text { Maximum } & 68 \\\hline \text { Sum } & 553 \\\hline \text { Count } & 9 \\\hline\end{array}$$

A) The age of most of the U.S. Supreme Court Chief Justice's since 1900 are within 5.6 years of the mean age.
B) The age of most of the U.S. Supreme Court Chief Justice's since 1900 are within 31.3 years of the mean age.
C) The ages of most of the U.S. Supreme Court Chief Justices are between 50 and 68 years.
D) None of these.