Among the four normal distributions with probability density functions as shown below, which one has the lowest variance?

Among the four normal distributions with probability density functions

1.	Among the four normal distributions with probability density functions as shown below, which one has the lowest variance?
A.	I
B.	II
C.	III
D.	IV
Answer» E.

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Among the four normal distributions with probability density functions as shown below, which one has the lowest variance?

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