A Chi-Square Test for Goodness of Fit Has Df =

question 32

Multiple Choice

A chi-square test for goodness of fit has df = 2.How many categories were used to classify the individuals in the sample?

• A)2
• B)3
• C)4
• D)cannot be determined without additional information

---

Definitions:

Two-Tailed Test

A nondirectional test, reflecting a nondirectional hypothesis.

Null Hypothesis

A statement in statistics that there is no effect or no difference, serving as the starting point for hypothesis testing.

One-Tailed Hypothesis

A directional hypothesis that specifies an expected direction of the effect or relationship between variables.

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together, showing the strength and direction of their relationship.