6.
The incomplete table and histogram give some information about the ages of the people who live in a
village.
Frequency
density
0
10
20
30
40
50
60
70
Age in years
(a) Use the information in the histogram to complete the frequency table below.
Age (x) in years
Frequency
0 < x 10
160
10 < x 25
25 < x 30
30 < x 40
100
40 < x 70
120
(2)
(b) Complete the histogram.
(2)
(Total 4 marks)
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