Let observations such that
Then a possible value of
among the following is
18
15
12
9
As we learnt in
Variance -
In case of discrete data
-
Variance =
n - 16 > 0
n > 16
Because variance is always positive.
Option 1)
18
Incorrect
Option 2)
15
Incorrect
Option 3)
12
Incorrect
Option 4)
9
Incorrect
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