There Are a Few Z Scores That We Use Often

question 25

Multiple Choice

There are a few z scores that we use often that are worth remembering. The upper 50%, and 97.5 percent of a normal distribution are cut off by z scores of

• A) 1.0, and 1.64.
• B) 0.0, and 1.96.
• C) .50, and .975.
• D) plus and minus 1.96.

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Definitions:

Simplify

The process of reducing an expression to its most basic form by performing calculations and combining like terms.

Expression

A combination of symbols and numbers that, together, represent a value or concept.

Simplify

Simplifying in mathematics involves altering an expression or equation to make it easier to work with, often by combining like terms and reducing expressions to their simplest form.