If a Population Has Standard Deviation 18, What Is the Minimum

question 11

Multiple Choice

If a population has standard deviation 18, what is the minimum sample size to be 95% confident that the error should be accurate to within 4?

• A) 153
• B) 9
• C) 78
• D) 18

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Definitions:

Warranty

A guarantee provided by a manufacturer or seller regarding the condition of a product and pledging to repair or replace it if necessary within a specified period.

Employee Morale

The overall outlook, attitude, satisfaction, and confidence that employees feel about their workplace.

Public Goodwill

Positive public perception or favor towards a person, organization, or brand, often built over time through ethical behavior and community engagement.

Deductive Approach

The deductive approach is a logical process in research and reasoning that starts with a general statement or hypothesis and examines the possibilities to reach a specific, logical conclusion.