According to the U

question 7

Multiple Choice

According to the U.S.National Survey on Drug Use and Health,about _____ percent of adults have used marijuana in the past year.

• A)11
• B)14
• C)17
• D)20

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Definitions:

Normal Curve

Curve resulting from the plot of values with a normal distribution. It is often called a bell curve because of its shape.

Normal Curve

A bell-shaped curve that represents the distribution of scores or variables where most measurements are concentrated around the mean in a symmetric way.

Normal Distribution

Symmetrical distribution of values with the majority of scores “peaking” in the middle.

Inferential Statistics

Statistics that estimate the values for a population from a sample of that population.