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Chi-squared Variables
Random variables that follow a chi-squared distribution, often used in tests of statistical significance for categorical data.
Normal Populations
Refers to populations that follow a bell-shaped distribution curve, indicating a normal distribution of data.
Variance
A measure of variability that indicates the average squared deviation of each number from the mean of a data set, showing how spread out the data points are.
Significance Level
The threshold below which the p-value of test results must fall for the results to be considered statistically significant, typically denoted by alpha (α).
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