The Chi-Squared Test of a Contingency Table Is Based Upon

question 149

Multiple Choice

The chi-squared test of a contingency table is based upon:

• A)one quantitative variable.
• B)two quantitative variables.
• C)one qualitative variable.
• D)two qualitative variables.

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Definitions:

Normally Distributed

Describes data that follows a normal distribution characterized by a symmetric bell-shaped curve.

Pooled Variance

A method used in statistical analysis to estimate the variance of two or more different populations by pooling their variances, assuming they have the same variance.

Sample Sizes

The number of observations or units chosen from a larger population for the purpose of statistical analysis.

Weighted Average

An average resulting from the multiplication of each component by a factor reflecting its importance.