A Chart Presented in the Text Showed That Racial and Ethnic

question 7

Multiple Choice

A chart presented in the text showed that racial and ethnic diversity in the U.S.will

• A)increase in the future.
• B)decrease in the future.
• C)decrease until 2050 and then increase.
• D)increase until 2020 and then decrease.

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Definitions:

Population

In statistics, the complete set of items or individuals considered for a survey or study.

Population Standard Deviation

A measure of the dispersion of all values in the entire population from the mean of the population.

Confidence Interval

A range of values that is believed to contain an unknown population parameter, calculated from a given set of sample data.

Sample Variance

A statistical measure of the dispersion of observations in a sample dataset around the sample mean.