A Coffee-Dispensing Machine Is Supposed to Deliver 8 Ounces of Liquid

question 114

Multiple Choice

A coffee-dispensing machine is supposed to deliver 8 ounces of liquid into each paper cup, but a consumer believes that the actual mean amount is less.The consumer obtained a sample of 16 cups of the dispensed liquid with sample mean of 7.75 ounces and sample variance of 0.81 ounces.If the dispensed liquid delivered per cup is normally distributed, the appropriate decision at α = 0.05 is to ___________.

• A)increase the sample size
• B)reduce the sample size
• C)fail to reject the 8-ounces claim
• D)maintain status quo
• E)reject the 8-ounces claim

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Definitions:

Medications

Substances used to diagnose, treat, or prevent disease and improve health, including prescription drugs, over-the-counter medications, and supplements.

Mini-Mental State Examination

A brief 30-point questionnaire test that is used to screen for cognitive impairment, commonly used in the diagnosis of cognitive disorders and dementia.

Geriatric Depression Scale

A screening tool used to identify depression in older adults, involving a questionnaire that assesses the presence and severity of depressive symptoms.

Pantry Cabinet

A storage area in a kitchen used for food, dishes, and utensils.