A Bottling Company Produces Bottles That Hold 10 Ounces of Liquid

question 100

Multiple Choice

A bottling company produces bottles that hold 10 ounces of liquid. Periodically, the company gets complaints that their bottles are not holding enough liquid. To test this claim, the bottling company randomly samples 22 bottles and finds the average amount of liquid held by the bottles is $9.7$ ounces with a standard deviation of $.2$ ounce. Which of the following is the set of hypotheses the company wishes to test?

• A) \(H _ { 0 } : \mu < 10\) vs. \(H _ { \mathrm { a } } : \mu = 10\)
• B) \(H _ { 0 } : \mu = 10\) vs. \(H _ { \mathrm { a } } : \mu > 10\)
• C) \(H _ { 0 } : \mu = 10\) vs. \(H _ { \mathrm { a } } : \mu \neq 10\)
• D) \(H _ { 0 } : \mu = 10\) vs. \(H _ { \mathrm { a } } : \mu < 10\)

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Definitions:

Between-Subjects Design

A research design in which different groups of participants are exposed to different conditions or treatments.

Within-Subjects Design

A research paradigm in which the same experimental participants participate in different experimental conditions.

Introspection

Reviewing or scrutinizing one's own psychological and emotional states.

Wundt

Wilhelm Wundt, often considered the father of experimental psychology, known for founding the first psychology laboratory.