Which of the Following Is an Appropriate Null Hypothesis for a Chi-Square

question 30

Multiple Choice

Which of the following is an appropriate null hypothesis for a chi-square test of independence?

• A)The row and column variables are independent in the population.
• B)The means of populations A and B are equal.
• C)The mean of the population is equal to the mean of the sample.
• D)The distribution of scores for population A is identical to the distribution of scores for population B.

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Definitions:

Frontal Lobes

The regions of the brain located at the front of each cerebral hemisphere, responsible for higher cognitive functions, such as reasoning, problem solving, and planning.

Schizophrenia

A long-term mental disorder characterized by a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception and inappropriate actions.

Pessimistic Explanatory Style

A tendency to interpret and explain negative events as being widespread, persistent, and internally caused, often associated with increased risk for depression and anxiety.

Depression

A mental health disorder characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities.