Examlex
During the first 50 years of the Social Security program,
Relative Risk
A measure that compares the risk of a certain event occurring in two different groups.
Standard Error
A statistic that measures the accuracy with which a sample distribution represents a population by using standard deviation.
Sample Proportions
The fraction of sample observations that belong to a particular category, indicative of a characteristic within the sample.
Electromagnetic Radiation
A form of energy that is propagated through space or matter, consisting of both electric and magnetic waves traveling at the speed of light.
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