a the mean of 10, 12, 18, 13, P. 14 is i5 Then value of p is a) 15 b) 20 c)25 d) 30
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give the mean of 10,20,18,13,P and 17 is 15 is mean =[xm 15=10+12+18+13+P+17690=70+PP=90-70=20cm
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