For a Normal Distribution

question 39

Multiple Choice

For a normal distribution

• A) all of the data points lie within one standard deviation from the mean.
• B) about 2/3 of the distribution lies within one standard deviation from the mean.
• C) about 95% of the distribution lies within two standard deviations from the mean.
• D) both b and c

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Definitions:

Abstinence Violation Effect

A psychological phenomenon where a person who has committed to abstaining from a certain behavior, such as drug use or overeating, perceives a lapse as a major failure, which may lead to continued behavior.

Ex-smokers

Individuals who have quit smoking and no longer use tobacco products.

Weight Gain

The increase in body weight over time, which can result from a variety of factors including overeating, lack of exercise, or certain health conditions.

Quit Smoking

The act of quitting the use of tobacco smoke.