Examlex
The Coleman report and other studies have found that ______ is the most powerful factor in determining students' level of school achievement.
Population Variance
The average of the squared differences between each data point in a population and the mean of the population.
Hypotheses
Statements made for the purpose of testing with statistical analysis, to see if there is enough evidence to support a particular belief or theory.
Significance Level
A threshold in hypothesis testing that determines the probability of rejecting a true null hypothesis, denoted as alpha (α).
Population Variance
The measure of the dispersion of all values in a population from the population mean.
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