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2. Mean of 100 numbers was found to be
50. But later on, it was observed that
one of the number 150 was wrongly
taken as 50.
Answers
Answered by
0
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 new 100 observation=
100
5100
=51
Answered by
0
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