If the median of the following data is 32.5, find the missing frequencies.
class interval: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 Total
Frequency: f₁ 5 9 12 f₂ 3 2 40
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Answer:
Given:-
- median = 32.5
To find:-
- missing frequency
solution:-
from the table
N = 40 =
median = 32.5 which lie 30 -40
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