A Chi-Square Test for Goodness of Fit Is Used to Examine

question 48

Multiple Choice

A chi-square test for goodness of fit is used to examine the distribution of individuals across four categories,and a chi-square test for independence is used to examine the distribution of individuals across the six categories in a 2×3 matrix of categories.Which test has the larger value for df?

• A)The test for goodness of fit
• B)The test for independence
• C)Both tests have the same df value.
• D)The df value depends on the sizes of the samples that are used.

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Definitions:

Validity

Validity refers to the extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world.

Content Validity

The extent to which a test or measure covers the content it's supposed to cover.

Error Score

The part of a test score that is random and contributes to the unreliability of a test.

Observed

Pertains to the actual data or outcomes collected and recorded in a study or experiment.