The Johnson-Reed Act of 1924

question 48

Multiple Choice

The Johnson-Reed Act of 1924:

• A) Restricted immigration for all foreigners.
• B) Established quotas for certain immigrant groups.
• C) Restricted immigration of Japanese people only.
• D) Curtailed the mobility of African-Americans.

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Definitions:

Range

The difference between the largest and smallest values in a dataset, a measure of spread or variability.

Hypotheses

Theoretical statements set forth for experimentation that predict a possible relationship between two or more variables, which may include both null and alternative hypotheses.

Interquartile Range

A measure of statistical dispersion, equal to the difference between the upper and lower quartiles, representing the middle 50% of the data.

Outliers

Data points that significantly differ from other observations in a data set, often indicating measurement error or a novel phenomena.