Table gives the number of pedestrians

Reference no: EM13940009

The following table gives the number of pedestrians, classified according to age group and sex, killed in fatal road accidents in England in 1922.
(a) Approximate the sample means of the ages of the males.
(b) Approximate the sample means of the ages of the females.
(c) Approximate the quartiles of the males killed.
(d) Approximate the quartiles of the females killed.
Age
Number of Males
Number of Females
0-
120
67
5-10
184
120
10-15
44
22
15-20
24
15
20-30
23
25
30-40
50
22
40-50
60
40
50-60
102
76
60-70
167
104
70-80
150
90
80-100
49
27

Reference no: EM13940009

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