Approximately What Percentage of the Scores in a Normal Distribution

question 79

Multiple Choice

Approximately what percentage of the scores in a normal distribution is higher than one standard deviation above the mean?

• A)2)5 percent
• B)16 percent
• C)34 percent
• D)68 percent

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Definitions:

Uncontrolled Variable

An uncontrolled variable is a factor that can affect the outcome of an experiment but is not kept constant or limited by the researcher.

Malpractice

The failure of a professional to meet the accepted standards of their profession, resulting in harm to their client or patient.

Competent

Refers to having the necessary ability, knowledge, or skill to do something successfully.

Extraneous Variables

Variables other than the independent variable that may affect the outcome of an experiment, potentially leading to inaccurate results if not controlled.