Home
Class 8
MATHS
Mean of eight observations is 25. If one...

Mean of eight observations is 25. If one observation 11 is excluded, the mean of the remaining.

Text Solution

Verified by Experts

The correct Answer is:
`overline x = 27`
Promotional Banner

Similar Questions

Explore conceptually related problems

AM of 11 observations is 17.5 and one observation 15 is deleted from the data then the mean of remaining observations is______

The mean of a data set consisting of 20 observation is 40. If one observation 53 was wrongly recorded as 33, then the correct mean will be

The mean of the data set comprising of 16 observations is 16. If one of the observation valued 16 is deleted and three new observations valued 3, 4 and 5 are added to the data, then the mean of the resultant data, is

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?

In a set of 2n distinct observations, each of the observations below the median of all the observations is increased by 5 and each of the remaining observation is decreased by 3 . Then the mean of the new set of observations

Mean of certain number of observations is barx . If each observation is divided by m( m ne 0 ) and then increased by n, then the mean of new observation is

AM of 8 observations 30.One observation 30 is deleted from the data then the new mean is______

The mean of a set observations is bar(x) . If each observation if divided by alpha (!= 0) and it is increased by 10, then the mean of the new set is