Mgt 6203 midterm part 2 - Study guides, Class notes & Summaries
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MGT 6203 MIDTERM PART 2– SOLUTION KEY CODING QUESTIONS with ANSWERS
- Exam (elaborations) • 15 pages • 2021
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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$Personal ~ Co...
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MGT 6203 MIDTERM PART 2– SOLUTION KEY CODING QUESTIONS with ANSWERS
- Exam (elaborations) • 15 pages • 2022
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MGT 6203 MIDTERM PART 2– SOLUTION KEY CODING QUESTIONS with ANSWERS 
Week 1 
Use the inbuilt dataset ‘longley’ for questions 1 and 2. 
Q1) Fit a linear regression model with ‘Employed’ as the response variable 
and all other variables (except ‘Year’) as predictors. What are the 
significant predictors at 10% significance level? 
A. GNP 
B. GNP,	Armed.Forces 
C. GNP,	Unemployed,	Population 
D. None	of	the	predictors	are	significant	at	10%	significance	level 
Solution: 
model1	= lm(E...
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MGT 6203 MIDTERM - SOLUTION KEY - PART 2
- Exam (elaborations) • 15 pages • 2021
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MIDTERM – SOLUTION KEY 
CODING QNS 
Q21) Please estimate a linear regression model (using the lm function) with Personal as the 
dependent variable and Room.Board as the independent variable. What are the model’s Rsquared and adjusted R-squared values? 
a) 0.00549, 0.048 
b) 0.0143, 0.022 
c) 0.0398, 0.0385 
d) 0.0325, 0.0336 
Answer: C (Week 1 Lesson 4) 
library("ISLR") 
data("College") 
summary(lm(College$Personal~College$Room.Board)) 
## 
## Call: 
## lm(formula = College$Personal ~ C...
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Exam (elaborations) MGT 6203/MGT 6203 MIDTERM – SOLUTION KEY PART 2 CODING QUESTIONS WITH ANSWERS.
- Exam (elaborations) • 15 pages • 2021
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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...
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MGT 6203 MIDTERM EXAM SOLUTIONS PART 2 – CODING | ALL ANSWERS CORRECT
- Exam (elaborations) • 16 pages • 2021
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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...
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