The Following List Shows the Age at Appointment of U

question 28

Multiple Choice

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.

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