Exhibit 19-2 Students in Statistics Classes Were Asked Whether They Preferred a Preferred

question 54

Multiple Choice

Exhibit 19-2
Students in statistics classes were asked whether they preferred a 10-minute break or to get out of class 10 minutes early. In a sample of 150 students, 40 preferred a 10-minute break, 80 preferred to get out 10 minutes early, and 30 had no preference. We want to determine if there is a difference in students' preferences.
-Refer to Exhibit 19-2. The null hypothesis should be

• A)rejected
• B)not rejected
• C)revised
• D)None of these alternatives is correct.

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Definitions:

Smooth Muscle

A type of muscle found within the walls of organs and structures such as the stomach, intestines, and blood vessels, controlling involuntary movements.

Voluntary

Actions or decisions made by free choice, without external coercion.

Cardiac

Relating to the heart and its functions in health and disease.

Osteoarthritis

A degenerative joint disease characterized by the breakdown and eventual loss of joint cartilage.