Question

the mean of the following distribution is 62.8 and the sum of all the frequencies is 50. compute the missing frequencies f1 and f2.

class frequency

0-20 5

20-40 f1

40-60 10

60-80 f2

80-100 7

100-120 8

Answer 1

f1 = 8

f2 =12

Hope it helps you

Answer 2

Answer:

the answer is attached