Question
Mathematics Question on Statistics
Consider the data: x, y, 10, 12, 4, 6, 8, 12. If mean is 9 and variance is 9.25, then the value of 3x-2y is (x>y)
A
25
B
1
C
24
D
13
Answer
25
Explanation
Solution
The correct option is (A): 25
Consider the data: x, y, 10, 12, 4, 6, 8, 12. If mean is 9 and variance is 9.25, then the value of 3x-2y is (x>y)
25
1
24
13
25
The correct option is (A): 25