A Wine Magazine Wants to Know If Chefs Can Tell

question 56

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. Using the p-value approach and α = 0.05,the appropriate conclusion is ________.

• A) do not reject the null hypothesis;conclude chefs prefer pâté
• B) reject the null hypothesis;conclude there is a difference in the preference between pâté and dog food
• C) reject the null hypothesis;we cannot conclude there is a difference in the preference between pâté and dog food
• D) do not reject the null hypothesis;conclude nothing

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Definitions:

Variable Overhead

Costs that fluctuate with the level of production output, including expenses like utilities and raw materials.

Direct Materials

Raw materials that are directly traceable to the manufacturing of a specific product.

Direct Labor-Hours

The total hours of work directly involved in manufacturing goods or providing a service.

Variable Overhead

The costs that fluctuate with the level of production output and may include expenses such as utilities and indirect materials.