Exam 7: Multiple Regression Analysis With Qualitative Information

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The dummy variable coefficient for a particular group represents the estimated difference in intercepts between that group and the base group.

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If the p-value of an F statistic 2.63 is 0.034, then we can say that the problem of interest is significant at the 5% level.​

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Which of the following is true of dependent variables?

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In a regression model, which of the following will be described using a binary variable?

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A dummy variable trap arises when a single dummy variable describes a given number of groups.

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Consider the following regression equation: y = Consider the following regression equation: y =   <sub>0</sub>+   <sub>1</sub>x<sub>1 </sub>+ … +   <sub>k</sub>x<sub>k </sub>+ u In which of the following cases, is 'y' a discrete variable? 0+ Consider the following regression equation: y =   <sub>0</sub>+   <sub>1</sub>x<sub>1 </sub>+ … +   <sub>k</sub>x<sub>k </sub>+ u In which of the following cases, is 'y' a discrete variable? 1x1 + … + Consider the following regression equation: y =   <sub>0</sub>+   <sub>1</sub>x<sub>1 </sub>+ … +   <sub>k</sub>x<sub>k </sub>+ u In which of the following cases, is 'y' a discrete variable? kxk + u In which of the following cases, is 'y' a discrete variable?

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Which of the following problems can arise in policy analysis and program evaluation using a multiple linear regression model?

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A problem that often arises in policy and program evaluation is that individuals (or firms or cities) choose whether or not to participate in certain behaviors or programs.

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The income of an individual in Budopia depends on his ethnicity and several other factors which can be measured quantitatively. If there are 5 ethnic groups in Budopia, how many dummy variables should be included in the regression equation for income determination in Budopia?

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Consider the following regression equation: graduate = Consider the following regression equation: graduate =   +   female +   score + u where graduate is a dummy variable (1 if the person graduated from college, and 0 otherwise), female is a dummy variable (1 if the person is female, and 0 otherwise), and score is the college admission test score. What does   measure? + Consider the following regression equation: graduate =   +   female +   score + u where graduate is a dummy variable (1 if the person graduated from college, and 0 otherwise), female is a dummy variable (1 if the person is female, and 0 otherwise), and score is the college admission test score. What does   measure? female + Consider the following regression equation: graduate =   +   female +   score + u where graduate is a dummy variable (1 if the person graduated from college, and 0 otherwise), female is a dummy variable (1 if the person is female, and 0 otherwise), and score is the college admission test score. What does   measure? score + u where graduate is a dummy variable (1 if the person graduated from college, and 0 otherwise), female is a dummy variable (1 if the person is female, and 0 otherwise), and score is the college admission test score. What does Consider the following regression equation: graduate =   +   female +   score + u where graduate is a dummy variable (1 if the person graduated from college, and 0 otherwise), female is a dummy variable (1 if the person is female, and 0 otherwise), and score is the college admission test score. What does   measure? measure?

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The multiple linear regression model with a binary dependent variable is called the linear probability model.

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Consider the model: log(wage) = Consider the model: log(wage) =   +   female +   exper +   female * exper + u, where exper is the years of work experience, and female is a dummy variable (1 if the person is female, and 0 otherwise). Which of the following measures the difference in the return of experience between men and women? + Consider the model: log(wage) =   +   female +   exper +   female * exper + u, where exper is the years of work experience, and female is a dummy variable (1 if the person is female, and 0 otherwise). Which of the following measures the difference in the return of experience between men and women? female + Consider the model: log(wage) =   +   female +   exper +   female * exper + u, where exper is the years of work experience, and female is a dummy variable (1 if the person is female, and 0 otherwise). Which of the following measures the difference in the return of experience between men and women? exper + Consider the model: log(wage) =   +   female +   exper +   female * exper + u, where exper is the years of work experience, and female is a dummy variable (1 if the person is female, and 0 otherwise). Which of the following measures the difference in the return of experience between men and women? female * exper + u, where exper is the years of work experience, and female is a dummy variable (1 if the person is female, and 0 otherwise). Which of the following measures the difference in the return of experience between men and women?

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The parameters in a linear probability model can be interpreted as measuring the change in the probability that y = 1 due to a one-unit increase in an explanatory variable.​

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Which of the following is true of Chow test?

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The following simple model is used to determine the annual savings of an individual on the basis of his annual income and education. Savings = β0 + The following simple model is used to determine the annual savings of an individual on the basis of his annual income and education. Savings = β<sub>0</sub> +   <sub>0</sub> Edu + β<sub>1</sub>Inc + u The variable 'Edu' takes a value of 1 if the person is educated and the variable 'Inc' measures the income of the individual. ​ ​ Refer to the above model. If   <sub>0</sub> > 0, _____. 0 Edu + β1Inc + u The variable 'Edu' takes a value of 1 if the person is educated and the variable 'Inc' measures the income of the individual. ​ ​ Refer to the above model. If The following simple model is used to determine the annual savings of an individual on the basis of his annual income and education. Savings = β<sub>0</sub> +   <sub>0</sub> Edu + β<sub>1</sub>Inc + u The variable 'Edu' takes a value of 1 if the person is educated and the variable 'Inc' measures the income of the individual. ​ ​ Refer to the above model. If   <sub>0</sub> > 0, _____. 0 > 0, _____.

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The following simple model is used to determine the annual savings of an individual on the basis of his annual income and education. Savings = The following simple model is used to determine the annual savings of an individual on the basis of his annual income and education. Savings =   The variable 'Edu' takes a value of 1 if the person is educated and the variable 'Inc' measures the income of the individual. ​ Refer to the model above. The inclusion of another binary variable in this model that takes a value of 1 if a person is uneducated, will give rise to the problem of _____. The variable 'Edu' takes a value of 1 if the person is educated and the variable 'Inc' measures the income of the individual. ​ Refer to the model above. The inclusion of another binary variable in this model that takes a value of 1 if a person is uneducated, will give rise to the problem of _____.

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A _____ variable is used to incorporate qualitative information in a regression model.

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A binary response is the most extreme form of a discrete random variable that takes on:​

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In a self-selection problem, the explanatory variables can be:​

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Which of the following Gauss-Markov assumptions is violated by the linear probability model?

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