Students in an Introductory College Economics Class Were Asked How

question 73

Multiple Choice

Students in an introductory college economics class were asked how many credits they had earned in college and how certain they were about their choice of major.Their replies are summarized below. Under the assumption of independence,the expected frequency in the upper left cell is

• A)15.09
• B)24.00
• C)19.72
• D)20.22

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Definitions:

Trait Theories

A group of theories that focus on the identification and measurement of specific personality characteristics and patterns of behavior.

Personality

The combination of characteristics or qualities that form an individual's unique character.

Reality Principle

A concept in psychoanalytic theory referring to the ability of the mind to assess the external world and act upon it accordingly, as opposed to acting on the pleasure principle.

Ego

In psychology, a part of the mind that mediates between the conscious and the unconscious and is responsible for reality testing and a sense of personal identity.