The mean of 10,12,18,13,x,17 is 15.find …
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Posted by Akhila Gugulothu 4 years, 2 months ago
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Gaurav Seth 4 years, 2 months ago
Mean = 15
Sum = 15 x 6
= 90
10+12+18+13+17+x=90
60+x=90
x = 90-60
x = 30
Verification:-
Mean =
Hence, verified
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