Mgt 6203 midterm - Study guides, Class notes & Summaries

MGT 6203 spring 2022 midterm part 1 (QUESTIONS AND ANSWERS) - Georgia Institute Of Technology

MGT 6203 Midterm Part 1 - Questions and Answers Q1) What is the adjusted R-squared: A. 0.681 B. 0.6772 C. 0.6778 D. 0.3228 Ans: B: 1-[((1-0.681)*(506-1))/(506-6-1)] or 1-[(13625.6/499)/(42716.3/505)] From Wk1 Page 19 Slide 1

MGT 6203 MIDTERM PART 2– SOLUTION KEY CODING QUESTIONS with ANSWERS update!!

MGT 6203X MIDTERM PART 1 COVERS THE TOPICS IN WEEKS 1 TO 8 AND IS WORTH 8% OF YOUR OVERALL GRADE (THEORY) GEORGIA INSTITUTE OF TECHNOLOGY

MIDTERM – SOLUTION KEY CODING QNS Q21) Please estimate a linear regression model (using the lm function) with Personal as the dependent variable and Room.Board as the independent variable. What are the model’s Rsquared and adjusted R-squared values? a) 0.00549, 0.048 b) 0.0143, 0.022 c) 0.0398, 0.0385 d) 0.0325, 0.0336 Answer: C (Week 1 Lesson 4) library("ISLR") data("College") summary(lm(College$Personal~College$Room.Board)) ## ## Call: ## lm(formula = College$Personal ~ Co...

MGT 6203 MIDTERM PART 2– SOLUTION KEY CODING QUESTIONS with ANSWERS Week 1 Use the inbuilt dataset ‘longley’ for questions 1 and 2. Q1) Fit a linear regression model with ‘Employed’ as the response variable and all other variables (except ‘Year’) as predictors. What are the significant predictors at 10% significance level? A. GNP B. GNP, Armed.Forces C. GNP, Unemployed, Population D. None of the predictors are significant at 10% significance level Solution: model1 = lm(E...

MIDTERM – SOLUTION KEY CODING QNS Q21) Please estimate a linear regression model (using the lm function) with Personal as the dependent variable and Room.Board as the independent variable. What are the model’s Rsquared and adjusted R-squared values? a) 0.00549, 0.048 b) 0.0143, 0.022 c) 0.0398, 0.0385 d) 0.0325, 0.0336 Answer: C (Week 1 Lesson 4) library("ISLR") data("College") summary(lm(College$Personal~College$Room.Board)) ## ## Call: ## lm(formula = College$Personal ~ C...

Week 1 Use the inbuilt dataset ‘longley’ for questions 1 and 2. Q1) Fit a linear regression model with ‘Employed’ as the response variable and all other variables (except ‘Year’) as predictors. What are the significant predictors at 10% significance level? A. GNP B. GNP, Armed.Forces C. GNP, Unemployed, Population D. None of the predictors are significant at 10% significance level Solution: model1 = lm(Employed~.-Year, data = longley) summary(model1) ## ## Call: ## lm(f...

MGT 6203 MIDTERM – SOLUTION KEY PART 2 CODING QUESTIONS WITH ANSWERS.) Please estimate a linear regression model (using the lm function) with Personal as the dependent variable and Room.Board as the independent variable. What are the model’s Rsquared and adjusted R-squared values? a) 0.00549, 0.048 b) 0.0143, 0.022 c) 0.0398, 0.0385 d) 0.0325, 0.0336 Answer: C (Week 1 Lesson 4) library("ISLR") data("College") summary(lm(College$Personal~College$Room.Board)) ## ## Call: ## lm(formula = Co...