Test Index

UPSC CDS Math Statistics Questions

© examsnet.com

Question : 9

Total: 63

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 ?

2m -
m2
n
2m +
m2
n
m -
m2
n
m +
m2
n

Go to Question:

Prev Question

Next Question