Cross-Tabulation+Definitions


 * Cross-Tabulation -** A table that shows the frequency and/or percentage results, and simultaneously shows these answers for various sub-groups.
 * Frequency Table -** a tabular method of showing all of the scores obtained by a group of individuals
 * Chi-Square -** a nonparametric test of statistical significance appropriate when the data are in the form of frequency counts, it compares frequencies actually observed in a study with expected frequencies to see whether they are significantly different
 * Null Hypothesis -** a statement that any difference between obtained sample statistics and specified population parameters is due to sampling error, or chance
 * Alternative Hypothesis -** the hypothesis being tested
 * Marginal Frequencies -** the values in the margins of the table are one-way tables for all values in the table. they help us to evaluate the arrangement of frequencies in individual columns or rows.

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