A Student Was Interested in the Cigarette Smoking Habits of College

question 71

Multiple Choice

A student was interested in the cigarette smoking habits of college students and collected data from an unbiased random sample of students. The data is summarized in the following table: Why is the table NOT a frequency distribution?

• A)The number of males does not equal the sum of males that smoke and do not smoke.
• B)The classes are not mutually exclusive.
• C)There are too many classes.
• D)Class limits cannot be computeD.

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Definitions:

Birth Control

Methods or devices used to prevent pregnancy as part of family planning.

Life Expectancies

The average period that an individual is expected to live, based on statistical averages of age, gender, and other demographic factors.

Birth Rates

The number of live births per thousand people in a population within a given year.

World's Population

The total number of people living on Earth at a given time, continuously changing due to birth rates, death rates, and migration patterns.