Question

the mean of the following frequency distribution is 33. But the frequencies f1, and f2 in classes 10-20 and 30-40 are missing. find the missing frequencies.
class: 0-10,10-20,20-30,30-40,40-50,50- 60
frequency:5,f1, 25,f2,20,10
total:-100​

Answer 1

Step-by-step explanation:

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