A Chi-Square Test for Independence Is Being Used to Evaluate

question 3

Multiple Choice

A chi-square test for independence is being used to evaluate the relationship between two variables.If the test has df = 1,what can you conclude about the two variables?

• A)One variable consists of 2 categories and the other consists of 3 categories.
• B)One variable consists of 2 categories and the other consists of 4 categories.
• C)Both variables consist of 2 categories.
• D)Both variables consist of 3 categories.

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Definitions:

P-value

A statistic that measures the probability of obtaining test results at least as extreme as the results actually observed, assuming that the null hypothesis is correct.

Annual Income

The total amount of income earned over a year from work, business, investments, or other sources.

Level of Education

Refers to the ultimate stage of formal learning or highest degree obtained by an individual.

Test Scores

Quantitative measures reflecting the performance or results achieved by a person on an examination or test.