A Random Sample of 30 Executives from Companies with Assets

question 40

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 those with an 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

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Definitions:

First Continental Congress

The initial meeting of delegates from twelve of the thirteen colonies in 1774, convened to respond to the British Coercive Acts.

Declaration of Rights

A document outlining the fundamental rights and freedoms that are guaranteed to a person or recognized by a legal system, such as the United States Bill of Rights.

British Resistance

The opposition and defiance demonstrated by British forces, government, and civilians during conflicts, most notably during World War II.

Galloway's Plan

A proposal by Joseph Galloway in 1774 aimed at maintaining the American colonies' allegiance to Great Britain by offering them greater autonomy within the empire.