A Wine Magazine Wants to Know If Chefs Can Tell

question 65

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. To determine if there are differences in preferences between pâté and dog food using the sign test,the competing hypotheses are ______________.

• A) H₀: p = 0.5;H_A: p ≠ 0.5
• B) H₀: p ≥ 0.5;H_A: p < 0.5
• C) H₀: p ≤ 0.5;H_A: p > 0.5
• D) H₀: p ≠ 0.5;H_A: p = 0.5

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Definitions:

Cognitive Structures

Mental frameworks or patterns that individuals use to organize and interpret information.

Source Credibility

The level of trustworthiness and expertise attributed to a source of information, influencing its persuasive power and impact on decisions.

Presence

Pertains to the state of being located in a particular place or the perceptible influence an entity exerts in its environment.

Trustworthiness

The quality of being reliable, honest, and capable of being trusted.