A Researcher Is Using a Chi-Square Test to Determine Whether

question 34

Multiple Choice

A researcher is using a chi-square test to determine whether there are any preferences among 4 brands of orange juice. With alpha = 0.05 and n = 30, the critical region for the hypothesis test would have a boundary of:

• A) 7.81
• B) 8.71
• C) 8.17
• D) 42.25

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Definitions:

Frequency Distribution

The organization of data into categories or intervals, showing the number of occurrences in each category.

Arrests

Refers to the act of detaining a person or persons, typically by legal authority, as a response to an alleged crime.

Variability

The extent to which data points in a statistical distribution or dataset differ from each other and from the central tendency.

Directionality

The characteristic of a relationship in statistics that indicates if one variable increases as the other variable increases or decreases.