Question

(b) The mean of 100 observations is 50. If one of the observation which was 50 is replaced

by 150 then what will be the resulting mean?​

Answer 1

Answer:

ANSWER

Mean of 100 observation =50

∴Total of 100 observation=100×50=5000

If one of the observation 50 is replaced by 150 than total of new observation is=5000−50+150=5100

Hence the mean of new 100 observation=

100

5100

=51

Step-by-step explanation:

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