Question

The mean of the following frequency table is 50. But the frequencies f1 and f2 in
class 20 - 40 and 60 - 80 respectively are missing. Find the missing frequencies.
Classes
0 - 20
20 – 40
40 - 60
60 – 80
80 = 100
Total
Frequency
fi
32
f2
120
Make the cumulative frequency more than and less than type and find the median
by formula method and hence find mode by empirical formula method.​

Answer 1

Answer:

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