Home
Class 8
MATHS
Arithmetic mean of nine observations is ...

Arithmetic mean of nine observations is calculated as 38. But in doing so, mistakenly the observation 27 is taken instead of 72. Find the actual mean of the data.

Text Solution

Verified by Experts

The correct Answer is:
`overline x = 43`
Promotional Banner

Similar Questions

Explore conceptually related problems

Arithmetic mean of 9 observationis was calculated as 45. In doing so an observation was wrongly taken as 42. For 24. What would then be the correct mean?

find the arithmetic mean of the following data.

The mean of 10 observations is 16.3. By an error one observations is registered as 32 instead of 23. Then the correct mean is

The mean of 5 observations is 4.4 Their variance is 8.24 . If three of the observations are 1,2 and 6 . Find the other two observations

Arithmetic mean of 7 observations was found to be 32. If one more observation 48 was to be added to the data what would be the new mean of the data?

The sum of deviations of ‘n’ observa tions from 25 is 25 and sum of devia tions of the same’n’ observations from 35 is-25. Find the mean of the observations.