The Mean of the Z Distribution Equals _________

question 35

Multiple Choice

The mean of the z distribution equals _________.

• A) 0
• B) 1
• C) N
• D) Depends on the raw scores.

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Definitions:

Independent Variable

In research, a variable that is manipulated or changed to observe its effects on a dependent variable.

Experimental Method

A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Independent Variable

The variable in an experiment that is manipulated to observe its effect on a dependent variable.

Positive Correlation Coefficient

A statistical measure indicating that as one variable increases, the other variable tends to increase as well.