Question

the median of the following distribution is 24, find the Missing frequency.
CI f
0-10. 5
10-20. 25
20-30. . A
30-40. . 18
40-50. . 7
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Answer 1

Answer:

Let the missing frquescy be denoted by

Since , Median =24, it lies in the class 10-20. Thus , Missing Frequency =25.