Simplify. -

question 238

Multiple Choice

Simplify.
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Definitions:

Standard Deviation

A measure indicating the amount of variation or dispersion from the average in a set of data.

Standardize

The process of making values comparable by subtracting the mean and dividing by the standard deviation.

Variable

An element, feature, or factor that is liable to vary or change; it is a characteristic of interest in statistical analysis.

Normal Random Variable

A normal random variable is a variable whose values are distributed according to the normal distribution, characterized by its mean and standard deviation.