Examlex
Which definition best describes direct costs?
Population standard deviation
A measure of the dispersion or variability within a total population.
Sample median
The midpoint value of a sample data set, where half the numbers are above the median and half are below.
Confidence interval
An extent of values, obtained via sample statistical analysis, seen as likely embracing the unknown value of a population attribute.
Random sample
A subset of individuals chosen from a larger set where each member has an equal chance of being selected.
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