Question

12.
Find out missing frequencies in the following incomplete distribution:-
Class Interval : 0-10
10-20
20–30
30-40
40-50
Frequency:
3
120
12
?
The values of Median and Mode are 27 and 26 respectively. [Ans. fi = 8, f2 = 7, N = 50]
?​

Answer 1

Answer:

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Answer 2

Given Median = 28.5 Then, median class = 20 – 30

17 = 25 - f1

f1 = 25 - 17 = 8

Given Sum of frequencies = 60

5 + f1+ 20 + 15 + f2 + 5 = 60

5 + 8 + 20 + 15 + f2 + 5 = 60

f2 = 7 f1 = 8 and f2 = 7

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