Form the frequency distribution table from the following data :     

Marks (out of 90) Number of candidates
More than or equal to 80
More than or equal to 70
More than or equal to 60
More than or equal to 50
More than or equal to 40
More than or equal to 30
More than or equal to 20
More than or equal to 10
More than or equal to 0
4
6
11
17
23
27
30
32
34

             

Answers (1)

Solution.     Frequency distribution: It tells how frequencies are distributed over values in a frequency distribution. However mostly we use frequency distribution to summarize categorical variables.

class f
0-10 34-32=2
10-20 32-30=2
20-30 30-27=3
30-40 27-23=4
40-50 23-17=6
50-60 17-11=6
60-70 11-6=5
70-80 6-4-=2
80-90 4

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