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Quota sampling is appropriate when the researcher knows that a certain demographic group is more likely to refuse to cooperate with a survey.
Null Hypothesis
A statement used in statistics that suggests there is no effect or no difference, and any observed variance is due to chance.
Alpha
In statistics, alpha represents the significance level, the probability of rejecting the null hypothesis when it is actually true, often set at 0.05.
Alternative Hypothesis
The hypothesis that is tested against the null hypothesis in statistical hypothesis testing, representing a statement that indicates some effect or difference.
Critical Value
A threshold value in hypothesis testing that defines the boundary for rejecting the null hypothesis; it is determined by the chosen significance level.
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