The value which is used to measure the distance between mean and random variable x in terms of standard deviation is called

The value which is used to measure the distance between mean and rando

1.	The value which is used to measure the distance between mean and random variable x in terms of standard deviation is called
A.	z-value
B.	variance
C.	probability of x
D.	density function of x
Answer» B. variance

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The value which is used to measure the distance between mean and random variable x in terms of standard deviation is called

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