Examlex
A frequency table displays the proportion of observations falling into each class.
Sample Data
Data collected from a subset of a population, used to make inferences or predictions about the larger group.
Population Variance
A measure of the dispersion or spread of a set of data points in a population, calculated by taking the average of the squared differences from the mean.
Critical Value
A threshold or boundary in hypothesis testing that defines the cutoff between the rejection or non-rejection of the null hypothesis.
Chi-square Distribution
A probability distribution that is used to analyze the variance in categorical data between observed and expected outcomes.
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