MEAN of nine no.is 77 .If one more no.is added to it then the mean. increases by 5 .find The no.added in the data ..
WRITE ALL STEPS
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MEAN of nine no.is 77 .If one more no.is added to it then the mean. increases by 5 .find The no.added in the data ..
WRITE ALL STEPS
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Answer:
Mean = ∑fixi/∑fi
77 = ∑fixi/9
∑fixi = 693
693 + x / 10 = 82
x = 800 - 693
x =107
Step-by-step explanation: