Examlex
The popularity of quota samples is attributable to the fact that they combine nonprobability sampling advantages with quota controls that ensure the final sample will approximate the population with respect to its key characteristics.
Negative Value
A value less than zero, representing quantities opposite in direction or position to a reference point.
Z-score
A measurement of how many standard deviations a data point is from the mean of a data set.
Position
In a general sense, the location or placement of an object or entity; in data analysis, it might refer to the rank or order of a data point within a dataset.
Area
The extent or measurement of a surface or piece of land.
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