1.

If the mean of observations 20, 42, 35, 45 and x is 37, then x =(a) 43 (b) 42 (c) 44 (d) 45

Answer» If the mean of observations 20, 42, 35, 45 and x is 37, then x =



(a) 43 (b) 42 (c) 44 (d) 45


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