Question 1: The following table shows the number of mobile phones females and males owned.
|
Age
|
Males
|
Females
|
|
0 < 10
|
64
|
90
|
|
10 < 20
|
199
|
175
|
|
20 < 30
|
365
|
210
|
|
30 < 40
|
190
|
255
|
|
40 < 50
|
121
|
205
|
|
50 < 60
|
43
|
55
|
|
60 < 70
|
18
|
10
|
Calculate the mean, median, mode standard deviation and co-efficient of variation.
Question 2: The monthly charges for using the tolls from two suburbs are:
|
Cost of toll ($)
|
Dandenong
|
Frankston
|
|
30 < 60
|
40
|
10
|
|
60 < 90
|
124
|
60
|
|
90 < 120
|
192
|
131
|
|
120 < 150
|
101
|
122
|
|
150 < 180
|
30
|
81
|
|
180 < 210
|
7
|
42
|
|
210 < 240
|
3
|
28
|
|
240 < 270
|
2
|
15
|
|
270 < 300
|
1
|
11
|
Calculate the mean, median, mode standard deviation and co-efficient of variation?
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