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:

Lookup Field

A field in a database that allows users to select a value from a list, facilitating data entry and ensuring data integrity.

Table Design

The phase in database management where the structure of a table including fields, types, and relations is defined and implemented.

Field Properties Pane

A section in database applications where users can view and modify properties and settings of database fields, such as data type and validation rules.

Validation Rule Expression

A formula or criterion set in databases or software applications that checks data before it is entered or saved, ensuring data integrity and consistency.