A Chi-Square Test of Independence Is Applied to a Contingency

question 50

Multiple Choice

A chi-square test of independence is applied to a contingency table with four rows and five columns for two qualitative variables. What are the degrees of freedom for this test?

• A) 20
• B) 16
• C) 15
• D) 12

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Definitions:

Intellectual Development

The growth and change in intellectual capabilities, such as learning, thinking, reasoning, and problem-solving.

Authority Figures

Individuals who hold power or control in social structures, typically held in high regard and expected to be obeyed and respected.

Crossover Effect

Shifts in behaviors such as drug use that is related to age and race, such that the relative frequency of a behavior reverses between or over time. For example, White female marijuana users use more often than Black female users until their mid-twenties when frequency of use for Black female users matches or exceeds that of White female users.

Suicide Rates

The statistical measure of the number of suicide occurrences in a given population within a specified time period.