Statistics Worksheet With Answer Key Page 5
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20B)
32)
Height
Cumulative
Number
(inches)
Frequency
Speed
of balls
69.0 - 71.9
19
0 - 29
4
72.0 - 74.9
41
30 - 59
16
75.0 - 77.9
61
60 - 89
60
78.0 - 80.9
77
90 - 120
20
81.0 - 83.9
80
C)
A)
Height
Cumulative
Cumulative
(inches)
Frequency
Speed
Frequency
69.0 - 71.9
41
0 - 29
4
72.0 - 74.9
61
30 - 59
20
75.0 - 77.9
77
60 - 89
80
78.0 - 80.9
80
90 - 120
100
81.0 - 83.9
83
B)
D)
Cumulative
Height
Cumulative
Speed
Frequency
(inches)
Frequency
0 - 29
.04
69.0 - 71.9
19
30 - 59
.20
72.0 - 74.9
41
60 - 89
.80
75.0 - 77.9
61
90 - 120
100
78.0 - 80.9
75
C)
81.0 - 83.9
80
Cumulative
Speed
Frequency
0 - 29
100
30 - 59
80
60 - 89
82
90 - 120
4
D) None of the above
Solve the problem.
33) The following frequency distribution analyzes
the scores on a math test. Find the indicated
class midpoint or boundaries.
The class boundaries of scores interval 40-59
A) 40.5, 59.5
B) 39.5, 58.5
C) 40.5, 58.5
D) 39.5, 59.5
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