MGT 6203 Special Topics in Mgt
Georgia Institute Of Technology
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Summer MGT 6203 MID EXAM PART2 – CODING (QUESTIONS AND ANSWERS)
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---16januari 20232022/2023A+
- Summer MGT 6203 MID EXAM 
PART2 – CODING 
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 = long...
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Graded Homework #2_ Data Analytics Business - MGT-6203-OAN
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---13januari 20232022/2023A+
- Graded Homework #2 
Due Feb 26 at 11:59pm Points 100 Questions 20 
Available Feb 7 at 8am - Feb 26 at 11:59pm 20 days Time Limit None 
Instructions 
This quiz was locked Feb 26 at 11:59pm. 
Attempt History 
Attempt Time Score Regraded 
LATEST Attempt 1 1,794 minutes 75 out of 100 80 out of 100 
 Correct answers are hidden. 
Score for this quiz: 80 out of 100 
Submitted Feb 21 at 10:28am 
This attempt took 1,794 minutes. 
Graded Homework #2 covers the topics in Weeks 1, 2, 3, 4 ,5 and 6 and is...
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Week 10 Self Assessment 6_ Data Analytics Business - MGT-6203-OAN (QUESTIONS AND ANSWERS)
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---6januari 20232022/2023A+
- Week 10 Self Assessment 6 
Due Mar 25 at 10:59pm Points 10 Questions 10 
Available Mar 6 at 7am - Mar 25 at 10:59pm 20 days Time Limit None 
Allowed Attempts Unlimited 
Attempt History 
Attempt Time Score 
KEPT Attempt 2 less than 1 minute 7 out of 10 
LATEST Attempt 2 less than 1 minute 7 out of 10 
Attempt 1 less than 1 minute 2 out of 10 
 Correct answers are hidden. 
Score for this attempt: 7 out of 10 
Submitted Mar 9 at 5:51pm 
This attempt took less than 1 minute. 
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Self Assessment 4_ Data Analytics Business - MGT-6203-OAN_FB - FA20 (QUESTIONS AND ANSWERS)
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---6januari 20232022/2023A+
- Self Assessment 4 
Due Sep 30 at 11:59pm Points 10 Questions 10 
Available Sep 18 at 8am - Sep 30 at 11:59pm 13 days Time Limit None 
Allowed Attempts 2 
Aempt History 
Attempt Time Score 
LATEST Attempt 1 43 minutes 7 out of 10 
 Correct answers are hidden. 
Score for this attempt: 7 out of 10 
Submitted Sep 20 at 3:04pm 
This attempt took 43 minutes. 
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Ques 0 / 1 pts tion 1 
Incorrect 
What is the orthogonality assumption in OLS, taking Y = a + bX as the 
model, and the ...
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Georgia Institute Of Technology MGT6203 Final Draft1 (1)
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---21juni 20212020/2021A+
- FINAL EXAM QUESTIONS 2020 
Theory - 20 questions 
Week 1 Questions 
Q1. If the explained sum of squares is 35 and the total sum of squares is 49, what is the 
residual sum of squares? 
A. 10 
B. 14 
C. 12 
D. 18 
Solution: B 
Explanation: Total Sum of Squares = Explained Sum of Squares + Residual Sum of Squares 
SST = SSE + SSR 
SSR = SST – SSE = 49 – 35 = 14 
Week 2 Questions 
Q2. Consider a regression model predicting the amount someone has spent (on some 
arbitrary product) based on their...
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MGT 6203 MIDTERM - SOLUTION KEY - PART 2
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1.0(1)1.0815juni 20212020/2021A+
- 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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