Home
Class 12
MATHS
The mean of n items is overline(X). If t...

The mean of n items is `overline(X)`. If the first item is increased by 1, second by 2 and so on, then the new mean is

A

`bar x + n`

B

`bar x + (n)/(2)`

C

`bar x + (n+1)/(2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    BITSAT GUIDE|Exercise BITSAT ARCHIVES |4 Videos

  • SOLVED PAPER 2018

    BITSAT GUIDE|Exercise Mathematics (Part-IV)|45 Videos

  • THE CIRCLE

    BITSAT GUIDE|Exercise BITSAT ARCHIVES |18 Videos

Similar Questions

Explore conceptually related problems

The mean of 11 items overline(X) . If first item is increased by 1, second item by 2 and so on, then new mean becomes lamda more than overline(X) and lamda is

The mean of n observations is X .If the first item is increased by 1,second by 2 and so on, then the new mean is X+n( b) X+(n)/(2)(c)dot X+(n+2)/(2) (d) None of these

The mean of n items is bar(x) . If the first item is increased by n, second by n-1 and so on and last by 1, then the new mean is

The mean of n observation is barX . If the first observation is increased by 1^(2) , second by 2^(2) and so on, then the new mean is

The mean of ten items is 17 and if each item is increased by 5, then the new mean will be

Mean of n terms is vec x .If these n items are successively increased by 2,2^(2),2^(3),...2^(n) then the new mean is