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

question 73

Multiple Choice

A researcher is using a chi-square test to determine whether people have any preferences among three brands of televisions.The null hypothesis for this test would state that ______.

• A)there are real preferences in the population
• B)one-third of the sample prefers each brand
• C)one-third of the population prefers each brand
• D)in the population, one brand is preferred over the other two

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Definitions:

Working Tissue

The active or functioning tissue in an organ or structure, responsible for its main physiological activities.

Structure Indicated

Referring to a particular physical or anatomical part identified for study or treatment.

Flap-Like Structure

A piece of tissue or material that is attached on one side, often found in biological or mechanical contexts, serving various functions such as regulation or protection.

Larynx

The voice box; an organ in the top of the neck involved in breathing, producing sound, and protecting the trachea against food aspiration.