Home
Class 14
MATHS
Out of 250 observations, the first 100 o...

Out of 250 observations, the first 100 observations have mean 5 and the average of the remaining 150 observations is 25/3 What is the average of the whole group of observations ?

A

6

B

7

C

8

D

9

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

The mean of 12 observations is 75. If two observations are discarded, then the mean of the remaining observations is 65. What is the mean of the discarded observations?

The AM of n observations is M. If the sum of n-4 observations is a, then the mean of remaining 4 observations is

AM of n observations is M.If the sum of (n-5) observations is R, then mean of remaining 5 observations is

If the mean of m observations out of n observations is n and the mean of remaining observations is m, then what is the mean of all n observations ?

The mean of 10 observations is 12. If mean of first 6 observations is 13. Find the mean of remaining 4 observations.

The mean of 50 observations is 36. If its two observations 30 and 42 are deleted,then the mean of the remaining observations is

The mean of 25 observations is 36. The mean of first 13 observations is 32 and that of last 13 observations is 39. What is the value of 13^(th) observation ?

The A.M. of n observation is X. If the sum of n-4 observation sis K, then the mean of remaining observations is