Question

The mean is 132 and sum of frequency is 50 find missing frequency

Answer 1

Answer:

f1 =10 f2=8

Explanation:

f1 +f2+32= 50

f1+f3=18

132=100+4(2f2+24)/5

132=500+8f2+96/5

132×5=500+8f2+96/5

132×5 =8f2+596

8f2=64

f2=8

f1+8=18

f1=10