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