Incomes of Workers in an Automobile Company in Ontario Are

question 206

Multiple Choice

Incomes of workers in an automobile company in Ontario are known to be right-skewed, with a mean equal to $36,200. Applying Tchebysheff's Theorem, at least 8/9 of all incomes are in the range of $29,600 to $42,800. What is the standard deviation of those incomes from that mean?

• A) $2,200
• B) $4,755
• C) $6,500
• D) $6,700

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Definitions:

Repression

A defense mechanism in psychoanalytic theory where unpleasant thoughts, memories, or desires are excluded from conscious awareness.

Psychosexual Stage

A concept in Freudian psychology referring to the series of developmental stages children go through, where each stage is characterized by the erogenous zone that is the source of a child's psychosexual energy.

Latency Stage

A phase in Freudian psychosexual development occurring from age six to puberty, characterized by a decrease in sexual interest and activity.

Anal Stage

A phase in Freudian psychosexual development where a child's focus is on controlling bladder and bowel movements.