Question

The following tables list the ages of female and male actors when they starred in their award-winning Best Actor performances. (A graphing calculator is recommended.)

Ages of Best Female Actor Award Recipients

50  37  25  33  43  59  74  73  78  26  45  53     43  47  26  32  64  45  75  41  44  21  60     73  76  77  57  79  71  71  74  28  74  55

Ages of Best Male Actor Award Recipients

46  69  56  55  33  41  53  58  50  69  51  55     55  33  67  47  45  34  59  60  40  50  37     37  74  42  74  53  75  62  73  36  41  59

(a) Find the mean and the sample standard deviation of the ages of the female recipients. Round each result to the nearest tenth.

mean	yr
sample standard deviation	yr

(b) Find the mean and the sample standard deviation of the ages of the male recipients. Round each result to the nearest tenth.

mean	yr
sample standard deviation	yr

(c) Which of the two data sets has the larger mean?

female actors or male actors    

Which of the two data sets has the larger standard deviation?

female actors or male actors    

Answer 1