Question

e)
The arithmetic mean of 150 observations was found out to be 80.5. At
the time of calculation, one observation was wrongly recorded as 850
instead of 85. Calculate the correct mean.​

Answer 1

Step-by-step explanation:

The arithmetic mean of 150 observations was found out to be 80.5. At the time of calculation, one

observation was wrongly recorded as 850 instead of 85. Calculate the correct mean.

Answer 2

e arithmetic mean of 150 observations was found out to be 80.5. At the time of calculation,

one observation was wrongly recorded as 850 instead of 85. Calculate the correct

mean.(2019-20)

For a given series the mean is found out to be 54.5. The median of the same series is 55.Find