Examlex
Which statement best describes the status of the Copernican and Ptolemaic theories of the solar system shortly after Copernicus invented his theory [about 1550, and before Tycho]?
Expected Counts
The theoretical frequency of occurrences in each category of a contingency table under the assumption of independence in a chi-square test.
Goodness-of-fit Test
A statistical test used to determine how well a statistical model fits a set of observations. It measures the discrepancy between observed values and the values expected under the model in question.
SAS Proficiency
The level of skill and knowledge in using Statistical Analysis System (SAS) software for statistical analysis.
Statistical Software
Computer programs designed to perform statistical analysis, helping in data entry, manipulation, and presentation of results.
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