Question

The mean of 100 observations is 50. If one of the observations, which was 50 is replaced by 150,
find the resulting mean.​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

100

Step-by-step explanation:

Let we have two observation i.e 50,50 so resultant mean is 50+50/2=100/2=50

Now if 50 is replaced by 150 then the mean will be 150+50=200

Mean=200/2

=100