In a Sample of 300 Shoppers, 160 Indicated They Prefer

question 48

Essay

In a sample of 300 shoppers, 160 indicated they prefer fluoride toothpaste, 120 favored nonfluoride, and 20 were indifferent. At a 0.05 level of significance, test for a difference in the preference for the two kinds of toothpaste.

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Definitions:

Properties

Attributes or settings that define characteristics of objects, files, devices, or materials in various contexts, such as software or real estate.

AutoNumber Field

A field in a database that automatically generates a unique number for each record, often used as a primary key.

Delete Record

The action of removing a data entry or record from a database, application, or digital ledger, making it no longer retrievable within the system.

Reuses Value

The practice of using an already defined value or resource multiple times within a program or system to optimize performance or maintain consistency.