Multiplication Is a Shortcut to Addition

question 85

True/False

Multiplication is a shortcut to addition.

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Definitions:

Z

In statistics, often represents the standard score, which is the number of standard deviations a data point is from the mean.

Percentage

A way of expressing a number as a fraction of 100, used to compare proportions.

Normal Model

A theoretical distribution with a bell-shaped curve, symmetrical about the mean, used in statistics to describe how values of a variable are spread or distributed.

Top 2.5%

Referring to the upper echelon or highest-performing individuals or entities, specifically those in the 97.5th percentile and above.