A Wine Magazine Wants to Know If Chefs Can Tell

question 102

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 the sampling distribution of can be approximated by the standard normal distribution, the value of the test statistic is ________.

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

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Definitions:

Grammatical Errors

Mistakes made in the use of language rules that govern syntax, sentence structure, and word forms.

Worst Errors

Refers to the most significant or damaging mistakes that can be made in a specific context.

Proofreading

The process of reviewing written text to correct grammatical errors, typos, and other inaccuracies to ensure high quality and accuracy before publication.

Personal Error Patterns

refer to the unique mistakes that a person tends to make repeatedly when learning or performing a task, especially in writing or speaking.