Edexcel Gcse Mathematics (Linear) - Cumulative Frequency Page 11
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6 . The table shows information about the time, m minutes, it takes to show each of 120 films.
Time (m minutes)
Frequency
70 < m
4
80
80 < m
12
90
90 < m
34
100
100 < m
32
110
110 < m
26
120
120 < m
12
130
(a) Write down the modal class interval.
.....................................
(1)
(b) Complete the cumulative frequency table.
Time (m minutes)
Cumulative frequency
70 < m
4
80
70 < m
90
70 < m
100
70 < m
110
70 < m
120
70 < m
130
(1)
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