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Most of the new white-collar jobs that have been created are in which occupational group?
Sample Variance
A statistic that measures the dispersion of a sample dataset, representing the average of the squared differences from the sample mean.
Population Variance
Population variance is a measure of the spread between numbers in a data set, representing the average of the squared differences from the population mean.
Random Sample
A selection taken from a group where each individual has the same probability of being chosen.
Hypothesis
A proposed explanation for a phenomenon, designed to be tested through experimentation or observation.
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