A Wine Magazine Wants to Know If Chefs Can Tell

question 11

Multiple Choice

A wine magazine wants to know if chefs can tell the difference between duck liver pâté and wet dog food.Eighteen chefs were asked to rate both the pâté and dog food on a scale from 1 to 5,with 1 corresponding to "inedible" and 5 to "very tasty." The results are shown in the following table. Assuming has the standard normal distribution,the value of the test statistic for the sign test is __________.

• A) 3.767
• B) -3.767
• C) 0
• D) None of these choices is correct.None of the above

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Definitions:

Addictive Disorders

A range of psychological conditions characterized by a compulsive engagement in rewarding stimuli despite adverse consequences.

Medulla

An area of the brainstem that controls vital autonomic functions such as heart rate, breathing, and blood pressure.

Thalamus

A vital brain structure acting as a relay station, channeling sensory and motor signals to and from the cerebral cortex.

Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood. It controls basic emotions and drives.