A Contingency Table Classifies Data with Respect to Two Qualitative

question 42

True/False

A contingency table classifies data with respect to two qualitative variables that are each divided into two or more categories.

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Definitions:

Z-statistic

A measure that describes how many standard deviations an element is from the mean of a population in standardized testing.

Alpha Levels

A threshold value that determines the significance level of a statistical test, representing the probability of rejecting a true null hypothesis (committing a Type I error).

Two-tailed Test

A statistical test that considers the possibility of both positive and negative differences or effects.

Research Hypothesis

A specific and testable prediction about the relationship between two or more variables.