Math, asked by aryasn2006, 3 months ago

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

Answers

Answered by Anonymous

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

Answered by Anonymous

Step-by-step explanation:

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 100 observations is 5100/100

=51

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