A Random Sample of 30 Executives from Companies with Assets

question 53

Multiple Choice

A random sample of 30 executives from companies with assets over $1 million was selected and asked for their annual income and level of education. The ANOVA comparing the average income among three levels of education rejected the null hypothesis. The Mean Square Error (MSE) was 243.7. The following table summarized the results: When comparing the mean annual incomes for executives with a High School education or less and Undergraduate Degree, the 95% confidence interval shows an interval of 11.7 to 42.7 for the difference. This result indicates that:

• A) there is no significant difference between the two incomes.
• B) the interval contains a difference of zero.
• C) executives with an Undergraduate Degree earn significantly more than executives with a High School education or less.
• D) executives with an Undergraduate Degree earn significantly less than executives with a High School education or less.

Comprehend the evolving roles and job opportunities for women in society.

Understand the changing landscapes of professions requiring special training or intellectual skills.

Evaluate the significance of land, wealth, and social status in determining one’s position in society.

Appreciate the effects of population theories, like those of Thomas Malthus, on societal perspectives.

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Definitions:

Festinger

Leon Festinger was a social psychologist known for his theory of cognitive dissonance, which describes the discomfort felt when holding conflicting beliefs, attitudes, or behaviors.

Psychology Text

A written or digital publication concerning the study of the mind and behavior, often used for educational purposes.

Cognitive Dissonance

A psychological state that describes the uncomfortable feeling when a person holds two or more conflicting cognitions, beliefs, attitudes, or values at the same time.

Operant Conditioning

A type of learning in which the consequences of behavior are manipulated so as to increase or decrease the frequency of an existing response or to shape an entirely new response.