Examlex
A major factor which aids in the understanding of contemporary distribution patterns of plants and animals is (are) ________.
Degrees of Freedom (df)
Number of values or quantities free to vary when a statistic is used to estimate a parameter.
Expected Frequency
In statistics, the frequency expected in a category of a contingency table under the assumption that the null hypothesis is true.
Chi-Square
A statistical test that measures the difference between observed and expected frequencies in categorical data.
Row Variable
In the context of a data table or matrix, it refers to the variable represented by the rows, often used in cross-tabulation to compare against another variable.
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