Suppose a Department Store Wants to Estimate the Mean Age

question 76

Short Answer

Suppose a department store wants to estimate the mean 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:

Spontaneous

Occurring naturally, without being planned in advance or prompted by external influences.

Psychoanalytic Perspective

A theory in psychology which asserts that psychological issues stem from unconscious conflicts rooted in childhood experiences.

Unconscious Conflict

Psychological struggles within the unconscious mind, often stemming from repressed thoughts or feelings, that can influence behavior and emotions.

Id

In psychoanalytic theory, the part of the human personality that is driven by innate instinctual impulses and primary processes.