Question

Workers
2 The mean of the following frequency table is 39, but the frequencies f1 and 12 classes 30-34 and 50-
54 respectively n known. Find these frequencies
25-29
35-39 40-44 45-49 50-54 55 TOTAL
Interval
50
Frequency
f2
70
Class
30-34
4
16
3​

Answer 1

Answer:

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