By the Turn of the Twentieth Century, the Population of the United

question 141

Multiple Choice

By the turn of the twentieth century, the population of the United States had shifted to three large racial and ethnic groups. These groups are

• A) African Americans, Hispanics, and Caucasians.
• B) Asians, African Americans, and Caucasians.
• C) Asians, African Americans, and Hispanics.
• D) African Americans, American Indians, and Caucasians.
• E) Hispanics, American Indians, and Caucasians.

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Definitions:

Population Mean

The average value of a population's characteristic, calculated by summing all values and dividing by the population size.

Population Proportion

The fraction of a population that possesses a particular attribute or characteristic.

Margin of Error

A measure indicating the level of random sampling error present in the findings of a survey.

Confidence Interval

A set of numbers, coming from the statistics of a sample, which probably includes the value of a parameter from a population that is not known.