A Chi-Squared Test of a Contingency Table Is Applied to a Contingency

question 130

True/False

A chi-squared test of a contingency table is applied to a contingency table with 3 rows and 4 columns for two qualitative variables.The degrees of freedom for this test must be 12.

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Definitions:

Median

The middle value in a sorted list of numbers, dividing the data set into two halves.

Trimmed Mean

This is a method of averaging that involves removing a certain percentage of the largest and smallest values before calculating the mean.

Bootstrap Confidence Intervals

A statistical technique that involves resampling with replacement to estimate the distribution of an estimator and compute its confidence intervals.

Small Samples

Refers to a group or set in a study that is limited in number, which may affect the statistical significance and generalizations.