Question

Find the missing frequency for the given frequency distribution table if mean of the

distribution is 50. Class interval 0-20 20-40 40-60 60-80 80-100 100-120

Frequency 6 8 6 F 5 4​

Answer 1

Answer:

21

Step-by-step explanation:

Class interval- Frequency-

0-20 6

20-40 8

40-60 6

60-80 F

80-100 5

100-120 4

Total- 50

Sum of the frequency=6+8+6+F+5+4

=29F

Therefore,F=50-29

=21