the number of students of class a,b,c class 6 are 53,47,38 respectively the number of students of class 7 are 38,53,47 respectively which section has more students respectively
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Step-by-step explanation:
Class Interval
Frequency
10-20
20-30
30-40
40-50
50-60
60-70
10
12
7
7
8
3
(i) For Cumulative Frequency 30−40 frequency is 7
(ii) Size is 11
Mid point for cumulative frequency 30−40 is 35.
(iii) Range =70−10=60
hop
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