Examlex
Compare and contrast the Maya, Teotihuacan, Aztec, and Inca empires.
Expected Cell Frequencies
In the context of a contingency table, these are the theoretical frequencies of observations that would occur given the null hypothesis is true.
Test Statistic
A numerical value used in statistical testing to determine whether to reject the null hypothesis, calculated from sample data.
Degrees of Freedom
The number of independent pieces of information used to estimate a parameter or statistic in a dataset.
Significance Level
The significance level, often denoted by alpha (α), is the probability of rejecting the null hypothesis when it is true, used as a threshold for determining statistical significance.
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