The following data represent the ages of chief justices of the U.S. Supreme Court when they were appointed.

Justice .......Age

John Jay .......44

John Rutledge.....56

Oliver Ellsworth ....51

John Marshall.....46

Roger B. Taney ....59

Salmon P. Chase ....56

Morrison R. Waite ...58

Melville W. Fuller ...55

Edward D. White ....65

William H.Taft .....64

Charles E. Hughes ...68

Harlan F. Stone ....69

Frederick M. Vinson ..56

Earl Warren ......62

Warren E. Burger .....62

William H. Rehnquist..62

John G. Roberts .....50

(a) Determine the population mean, median, and mode ages.

(b) Determine the range and population standard deviation ages.