Question

QUESTION
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:

Man of 100 observations = 50

thus, total of 100 observations = 100 x 50 = 5000

if one of the observation 50 is replacd by 150 then total of new observation is =

5000 - 50 + 150 = 5100

hence the mean of new hundred observation

5100/100 = 51

Answer 2

${\boxed{\underline{\tt{ \orange{Required \: \: answer:-}}}}}$

If one of the observation which was 50 is replaced by 150, the resulting mean will be. Solution : Given, mean of 100 observation is 50. Hence, the resulting mean is 51

Explanation:

Man of 100 observations = 50

thus, total of 100 observations = 100 x 50 = 5000

if one of the observation 50 is replacd by 150 then total of new observation is =

5000 - 50 + 150 = 5100

hence the mean of new hundred observation

5100/100 = 51

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