1.

If the mean of n observations is 12 and the sum of the observations is 132, then the value of n is(a) 9 (b) 10 (c) 11 (d) 12

Answer» If the mean of n observations is 12 and the sum of the observations is 132, then the value of n is



(a) 9 (b) 10 (c) 11 (d) 12


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