AIEEE 2004 Math Solved Paper

Section: Mathematics

Question : 68 of 68

Marks: +1, -0

In a series of 2n observations, half of them equal a and remaining half equal −a. If the standard deviation of the observations is 2 , then |a| equals

[AIEEE 2004]

2
√2
‌
1
n
‌
√2
n

Validate

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