The standard deviation of a discrete random variable σ is the positive square root of its:
A)variance.
B)mean.
C)median.
D)mode.

Name: The standard deviation of a discrete random variable σ is the positive square root of its: A)variance. B)mean. C)median. D)mode.
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Question

Quizplus · Accepted Answer

The standard deviation of a discrete random variable is defined as the square root of the variance, which measures the spread or variability of the distribution. Therefore, option A is the correct answer.

The Standard Deviation of a Discrete Random Variable σ Is