Answer the following statement(s) true (T) or false (F)
1. A dummy variable can have only two values.
2. If a nominal variable has five categories, an analyst would include up to four dummy variables in a regression model.
3. The regression coefficient of a dummy variable is interpreted as the effect of that variable on the dependent variable, controlled for all other variables in the model.
4. Outliers can affect the slope of regression coefficients.
5. Outliers are observations whose multiple regression residuals exceed three standard deviations.
1.true
2.true
3.false
4.true
5.true
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Spousal immunity
a. is based on the idea that husbands and wives are legally the same person. b. is only recognized in some states. c. may not stand if the couple is engaged in fraud or collusion. d. All of the above are correct
The belief of many Americans that individuals should generally be allowed to make most of the decisions regarding their own lives is shared with which other countries?
a. Mexico, Denmark, and Sweden b. Germany, Mexico, and Norway c. Great Britain, Sweden, and Denmark d. Germany, Denmark, and Sweden e. Sweden, Denmark, and Norway
If in a parliamentary system the head of government is voted into (or out of) office by the legislature, then we can assume that __________
a. the head of government is dependent for his or her political survival on the legislature b. the head of government will usually be chosen by the major interest groups that dominate the legislature c. there is more of a separation of powers between the legislature and the executive than in other systems d. the government can't theoretically fall if the legislature loses trust in it e. the head of government is dependent for his or her political survival on the courts
Which of the following best describes the 2013 presidential election?
a. Hassan Rouhani won in a rigged election. b. Ali Khamenei won in a rigged election. c. Hassan Rouhani won in a fair election but was not allowed to implement any reforms once in office. d. Ali Khamenei was forced to drop out because of his "penchant for a Western lifestyle," leaving Ayatollah Khomeini as the only candidate on the ballot.