Home
Class 12
MATHS
The mean of a set of numbers is bar(x). ...

The mean of a set of numbers is `bar(x)`. If each number is increased by `lambda`, then mean of the new set is :

A

`bar(x)`

B

`bar(x) + lambda`

C

`lambda bar(x)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    MODERN PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (LEVEL - II )|13 Videos

  • STATISTICS

    MODERN PUBLICATION|Exercise LATEST QUESTIONS FROM AIEEE/JEE EXAMINATIONS|6 Videos

  • SOLUTION OF TRIANGLES

    MODERN PUBLICATION|Exercise Latest questions from AIEE/JEE Examinations|5 Videos

  • THREE DIMENSIONAL GEOMETRY

    MODERN PUBLICATION|Exercise Recent Competitive Questions (RCQs)|10 Videos

Similar Questions

Explore conceptually related problems

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

The median of a set of 9 distinct observations is 20.5. If each of the largest 4 observations of the set is increased by 2, then the median of the new set :

The median of a set of 9 distinct observations is 20.5 If each of the largest 4 observations of the set is increased by 2, then the median of the new set :

If each observation of a raw data, whose variance is sigma^(2) is multiplied by lambda , then the variance of the new set is :

The mean of five numbers is 18. If one number is excluded then their mean is 16. Find excluded number.

The A.M. of a set of 50 numbers is 38. If two numbers of the set namely 55 and 45 are discarded, the A.M. of the remaining set of numbers is :

There are four unknown numbers. The mean of the first two numbers is 4 and the mean of the first three is 9. The mean of all four number is 15, if one of the four number is 2 find the other numbers.

The mean income of a group of workers is bar(x) and that of another group is bar(y) . If the number of workers in the second group is 10 times the number of workers in the first group, then the mean income of the combined group is :

The standard deviation for the set of numbers 1, 4, 5, 7, 8 is 2.45 nearly. If 10 are added to each number, then the new standard deviation will be :

The harmonic mean of two numbers is 4. Their arithmetic mean A and the geometric mean G satisfy the relation 2A+G^2=27. Find two numbers.