Examlex
Pure monopoly is not studied because of its descriptive realism, but because it is a stepping stone toward more realistic models.
Statistical Software
Computer programs designed to perform statistical analysis, helping in data entry, manipulation, and presentation of results.
Two-way Table
A data organization method that displays frequencies or counts of variables in rows and columns, facilitating the examination of relationships between two categorical variables.
Null Hypothesis
A statistical hypothesis that assumes no effect or no difference between phenomena or populations.
Chi-square Test
A statistical test used to determine the difference between observed and expected frequencies in one or more categories.
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