Your One-Way ANOVA Research Hypothesis Was That Average Years of Schooling

question 43

Multiple Choice

Your one-way ANOVA research hypothesis was that average years of schooling (EDUC) differed between strong Republicans, Independents, and strong Democrats. On the basis of the following output, which pairs of groups significantly differ?
Multiple Comparisons
EDUC Tukey HSD
$\begin{array}{|ll|r|r|r|}\hline & & & & \\\text { (I) POLPARTY } & \text { (J) POLPARTY } & \begin{array}{c}\text { Mean } \\\text { Difference (1- } \\\mathrm{J}\end{array} & \text { Std. Error } & \text { Sig. } \\\hline 1 \text { strong Republican } & 4 \text { independent } & 1.647^{*} & .602 & .018 \\& 7 \text { strong Democrat } & -471 & .606 & .718 \\\hline 4 \text { independent } & 1 \text { strong Republican } & -1.647^{*} & .602 & .018 \\& 7 \text { strong Democrat } & -2.118^{*} & .511 & .000 \\\hline 7 \text { strong Democrat } & 1 \text { strong Republican } & 471 & .606 & .718 \\& 4 \text { independent } & 2.118^{*} & .511 & .000 \\\hline\end{array}$
$*$ . The mean difference is significant at the $0.05$ level.

• A) no pairs significantly differ
• B) (strong Republicans & strong Democrats)
• C) (strong Republicans & Independents) and (Strong Democrats & Independents)
• D) all pairs significantly differ

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Definitions:

Net Income

Net income is the total profit of a company after all expenses, taxes, and costs have been deducted from total revenue.

Retained Earnings

The portion of net income left over for the business after it has paid out dividends to its shareholders, which is reinvested in the business.

Annual Revenues

The total amount of money received by a company for goods sold or services provided during a fiscal year.

Net Income

The concluding profit figure for a company, arrived at by deducting every type of expense and tax from its complete revenue.