For which independent variable does a unit change have the greatest effect on the GPA? ________________ Hours spent studying per week (X2)AACSB: Analytic SkillsBloom's: ApplicationDifficulty: MediumLearning Objective: 14-01 Describe the relationship between several independent variables and a dependent variable using multiple regression analysis.Topic: Multiple Regression Concepts14-80

Chapter 14 - Multiple Regression Analysis105. Twenty-one executives in a large corporation were randomly selected for a study to determine the effect of several factors on annual salary (expressed in $000's). The factors selected were age, seniority, years of college, number of company divisions they had been exposed to and the level of their responsibility. A regression analysis was performed using a popular spreadsheet program with the following regression output:Write out the multiple regression equation. _______________________ AACSB: Reflective Thinking SkillsBloom's: AnalysisDifficulty: MediumLearning Objective: 14-01 Describe the relationship between several independent variables and a dependent variable using multiple regression analysis.Topic: Multiple Regression Concepts14-81

Chapter 14 - Multiple Regression Analysis106. Twenty-one executives in a large corporation were randomly selected for a study to determine the effect of several factors on annual salary (expressed in $000's). The factors selected were age, seniority, years of college, number of company divisions they had been exposed to and the level of their responsibility. A regression analysis was performed using a popular spreadsheet program with the following regression output:Which independent variable has the most significant effect on annual salary? _______ SeniorityAACSB: Communication AbilitiesBloom's: ComprehensionDifficulty: MediumLearning Objective: 14-05 Conduct a hypothesis test of each regression coefficient.Topic: Individual Coefficient Tests14-82

Chapter 14 - Multiple Regression Analysis107. Twenty-one executives in a large corporation were randomly selected for a study to determine the effect of several factors on annual salary (expressed in $000's). The factors selected were age, seniority, years of college, number of company divisions they had been exposed to and the level of their responsibility. A regression analysis was performed using a popular spreadsheet program with the following regression output:What proportion of the total variation in salary is accounted for by the set of independent variables? ___________ 91.4%AACSB: Analytic SkillsBloom's: ApplicationDifficulty: MediumLearning Objective: 14-03 Compute and interpret measures of association in multiple regression.Topic: Measures of Association14-83

Chapter 14 - Multiple Regression Analysis108. Twenty-one executives in a large corporation were randomly selected for a study to determine the effect of several factors on annual salary (expressed in $000's). The factors selected were age, seniority, years of college, number of company divisions they had been exposed to and the level of their responsibility. A regression analysis was performed using a popular spreadsheet program with the following regression output: