The Main Idea of a Chi-Square Test Is That You

question 31

Multiple Choice

The main idea of a chi-square test is that you:

• A)test the estimated degree of fit (proportion of variance accounted for)of one variable to the other variable
• B)compare the population means to see if they vary from each other more than by chance
• C)compare population variances, to see if they vary from each other more than by chance
• D)test how well the pattern of observed frequencies fits some expected pattern of frequencies

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Definitions:

Mass

A measure of the amount of matter in an object, typically expressed in kilograms or grams.

Density

The mass per unit volume of a substance, often measured in grams per cubic centimeter (g/cm³) or kilograms per cubic meter (kg/m³).

Volume

The amount of space occupied by an object or substance, commonly measured in liters, cubic meters, or gallons.

Material

A substance from which a thing is made or can be made, often used in the context of physical properties and applications.