Work sheet #2 STA 2023

For the following tables give the class width and then fill in the column as indicated.

Then construct a histogram for each.

1) Height Frequency relative

of men frequency

55 –59 1

60 – 64 3

65 – 69 49

70 – 74 46

75 – 79 1

2) GPA Frequency relative

frequency

0.0 – 0.49 72

0.50 – 0.99 23

1.00 – 1.49 47

1.50 – 1.99 135

2.00 – 2.49 288

2.50 – 2.99 276

3.00 – 3.49 202

3.50 – 3.99 97

For each of #3 and #4, find the 5-number summary and then construct a box-plot (do it on the calculator and copy it down).

3) Ages of employees at Vita Needle Company:

76 45 72 77 63 65 87 73 84 86 79

86 75 87 74 39 75 41 82 34 88 85

79 73 53

4) Ages of faculty cars at a certain college:

4 9 9 8 7 1 5 4 4 4 7

6 7 7 23

For #5, find the 5-number summary for each set of data, the box-plot for each set, and then compare them:

5) The following are lists of the ages of actors and actresses at the time they won Oscars:

Actors: 32 37 36 32 51 53 33 61 35

45 55 39 76 37 42 40 32 60

38 56 48 48 40 43 62 43 42

44 41 56 39 46 31 47 45 60

Actresses: 50 44 35 80 26 28 41 21 61

38 49 33 74 30 33 41 31 35

41 42 37 26 34 34 35 26 61

60 34 24 30 37 31 27 39 34