IGNOU AST 1 2018 - The frequency distribution of marks of 230 students in a statistics pa

Question

The frequency distribution of marks of 230 students in a statistics paper in a class is given below:
Class Interval    Frequency
10 – 20                            12
20 – 30     30
30 – 40 ?
40 – 50                             65
50 – 60 ?
60 – 70    25
70 – 80                             18
Total 230
Given that the median value of distribution is 46, determine the missing frequencies.

07 Mar 2018

Answer :

Word Count : 187

(i)

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