Suppose a Department Store Wants to Estimate the Average Age

question 137

Short Answer

Suppose a department store wants to estimate the average age of the customers of its contemporary apparel department, correct to within 2 years, with level of confidence equal to 95%. Management believes that the standard deviation is 8 years. The sample size they should take is ____.

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Definitions:

Intentionally Reveal

The deliberate act of disclosing or exposing information that was previously unknown or hidden.

Form Interactions

The way in which different forms or elements influence or work with each other, often in the context of design or art.

Vocal Critic

An individual who frequently expresses out loud their disapproval or criticism of something.

Macro-Level

Related to or involving large-scale or broad phenomena, typically used in sociology to refer to the analysis of social systems and structures at a large scale.