Question
Quantitative Ability and Data Interpretation Question on Statistics
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 = 0, b = 7
B
a = 5, b = 2
C
a = 3, b = 4
D
a = 2, b = 4
Answer
a = 3, b = 4
Explanation
Solution
The correct option is (C) : a = 3, b = 4.