When Testing for Independence in a Contingency Table with 3

question 106

Multiple Choice

When testing for independence in a contingency table with 3 rows and 4 columns,there are _____ degrees of freedom.

• A)5
• B)6
• C)7
• D)12

---

Definitions:

Alpha

A threshold level used in statistics to determine the significance of results, often set at 0.05 or 5%.

Critical Value

A threshold in hypothesis testing that determines whether to reject the null hypothesis, based on the distribution of a test statistic.

Hypotheses

Are statements or predictions that can be tested by scientific research to either be supported or refuted through evidence.

Alpha

The preset significance level in hypothesis testing, often determining the threshold for the probability of making a Type I error.