The frequency distribution on the following page represents the age of people living in poverty in 2009 (in thousands). In this frequency distribution, the class widths are not the same for each class. Approximate the mean and standard deviation age of a person living in poverty. For the open-ended class 65 and older, use 70 as the class midpoint.

Age .....Frequency

0-17 ......15,451

18–24 ..... 6071

25–34 .... 6123

35–44 .... 4756

45–54 .... 4421

55–59 ..... 1792

60-64 .... 1520

65 and older .. 3433