1.

The mean of 100 observations is 50. If one of the observations 50 is replaced by 150, the resulting mean will be (a) 50.5 (b) 51 (c) 51.5 (d) 52

Answer»

The mean of 100 observations is 50. If one of the observations 50 is replaced by 150, the resulting mean will be
(a) 50.5
(b) 51
(c) 51.5
(d) 52



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