Examlex
Current research supports the fears media critics had in the World War I era of powerful,direct effects of the mass media.
Confidence interval
A range of values, derived from sample data, that is believed to contain the true value of a population parameter with a certain probability.
SAT scores
Scores resulting from the Scholastic Assessment Test, a standardized test widely used for college admissions in the United States.
Margin of error
The amount of error that can be tolerated in survey or poll results, often used in describing the accuracy of a confidence interval.
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