Home
Class 12
MATHS
The mean of the numbers a, b, 8, 5, 10 i...

The mean of the numbers a, b, 8, 5, 10 is 6 and the variance is 6.80. Then which one of the following gives possible values of a and b ?

A

a = 3, b = 4

B

a = 0, b = 7

C

a = 5, b = 2

D

a = 1, b = 6

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

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

  • STATISTICS

    MODERN PUBLICATION|Exercise QUESTION FROM KARNATAKA CET & COMED|3 Videos

  • STATISTICS

    MODERN PUBLICATION|Exercise QUESTION FROM KARNATAKA CET & COMED|3 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

Find the variance of the following data 6,7,10,12,13,4,8,12 ?

Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8} , which of the following may be considered as universal set (s) for all the three sets A, B and {0,1,2,3,4,5,6,7,8,9,10}

Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8} , which of the following may be considered as universal set (s) for all the three sets A, B and {1,2,3,4,5,6,7,8}

Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8} , which of the following may be considered as universal set (s) for all the three sets A, B and phi

Given the sets A = {1, 3, 5}, B = {2, 4, 6} and C = {0, 2, 4, 6, 8} , which of the following may be considered as universal set (s) for all the three sets A, B and {0, 1, 2, 3, 4, 5, 6}

Consider the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. If 1 is added to each number, the variance of the numbers so obtained is :

Find the values of the letters in each of the following and give reasons for the steps involved A B xx 6=B B B

Find the values of the letters in each of the following and give reasons for the steps involved A B +3 7=6 A

Find the values of the letters in each of the following and give reasons for the steps involved 1 2 A + 6 A B=A 0 9