Examlex
Social Security has become _____ over time.
Mean
The arithmetic average of a set of numbers, calculated by adding them together and dividing by the number of quantities.
Point Estimate
A single value estimate of a population parameter that serves as the best guess or prediction of the parameter.
Confidence Limits
Confidence limits define the range within which a population parameter is estimated to lie with a certain level of confidence.
Standard Error
A measure of the dispersion or spread of sample means around the population mean.
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