Examlex
Using publically available databases, information resellers create electronic _______ and sell them to direct marketers, fundraisers, and others.
Statistical Significance
Indicates whether the results of a study are likely to be due to chance or are actually significant in terms of supporting a hypothesized effect.
T Value
A statistic calculated in hypothesis testing used to compare the observed difference between two means relative to the variability of the data.
Z-Test
A statistical test used to determine if there is a significant difference between sample and population means.
Population's Standard Deviation
A measure of the dispersion or variation in a distribution of a population's values, indicating how much individual scores differ from the population mean.
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