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JEE MAIN 2019
12-01-2019 S2
Question
The mean and the variance of five observations are 4 and 5.20, respectively. If three of the observations are 3, 4 and 4; then the absolute value of the difference of the other two observations, is
Select the correct option:
A
5
B
7
C
3
D
1
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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JEE Main
Mathematics
Medium
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