Exhibit 18-2 Students in Statistics Classes Were Asked Whether They Preferred a Preferred

question 30

Multiple Choice

Exhibit 18-2
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 18-2. The null hypothesis should be

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

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Definitions:

Acute Diarrhea

A sudden onset of frequent, watery bowel movements that can be caused by infection, food intolerance, or other health conditions.

Intravenous Fluids

Liquids given directly into a vein to supply necessary nutrients, electrolytes, or medication.

Increased Intracranial Pressure

A condition where the pressure within the skull exceeds the normal range, potentially leading to brain damage or death.