Question

which of following of a random variable is a measure of spread a)variance b)standard deviation c)empirical mean d)all of above

Answer 1

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$\mathtt\green{(c)\: empirical\:mean}$

Answer 2

Out of the following, Variance is a random variable is a measure of spread.

Option(a) Variance

• Variance is a statistical measurement of the spread between numbers in a data.
• Standard deviation is the measure of how dispersed the data is in realtion to the mean.
• Empirical probability is exponential probability that is based on historical data.
• So Variance is the random variable is a measure of spread.