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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
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 |
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