Exam (elaborations)

Self Assessment 1_ Data Analytics Business - MGT-6203-OAN (QUESTIONS AND ANSWERS)

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Course
MGT 6203

Institution
Georgia Institute Of Technology

Self Assessment 1: Data Analytics Business - MGT-6203-OAN Self Assessment 1 Due Feb 5 at 11:59pm Points 30 Questions 12 Available Jan 24 at 8am - Feb 5 at 11:59pm 13 days Time Limit None Allowed Attempts Unlimited Instructions Attempt History Attempt Time Score LATEST Attempt 1 61 minutes ...

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Uploaded on January 23, 2023
Number of pages 8
Written in 2022/2023
Type Exam (elaborations)
Contains Questions & answers

self assessment 1 data analytics business mgt 6203 oan
self assessment 1 data analytics business mgt 6203 oan httpsgatechinstructurecomcourses94184quizzes99415 18 self assessment 1 due

Institution
Georgia Institute Of Technology
Course
MGT 6203

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2/5/2020 Self Assessment 1: Data Analytics Business - MGT-6203-OAN

Self Assessment 1
Due Feb 5 at 11:59pm Points 30 Questions 12
Available Jan 24 at 8am - Feb 5 at 11:59pm 13 days Time Limit None
Allowed Attempts Unlimited

Instructions
Self Assessment 1 covers the topics in Weeks 1, 2 and 3 and is worth 1% of your overall grade. You
may work on the homework for as long as you like within the given window. Please note that your answers
will automatically save as you key them and you are allowed multiple attempts. Again, please note, you
should only click "submit" when you are completely finished with the assignment and ready to
submit it for grading.

Also, please remember that you are to complete this assignment on your own. Any help given or received
constitutes cheating. If you have any general questions about the assignment, please post to the Piazza
board. If your question involves specific references to the answer to a question or questions, please
be sure to mark your post as private.

Good luck!

Take the Quiz Again

Attempt History
Attempt Time Score
LATEST Attempt 1 61 minutes 27.5 out of 30

 Correct answers are hidden.

Score for this attempt: 27.5 out of 30
Submitted Feb 4 at 4:42pm
This attempt took 61 minutes.

Self Assessment 1 (Total 30 points)
For Questions 1-8: Install and load the dataset named Carseats (in the
ISLR package) into R.

R code:

install.packages(“ISLR”)

library(“ISLR”)
This study source was downloaded by 100000858936669 from CourseHero.com on 01-23-2023 02:19:19 GMT -06:00

https://gatech.instructure.com/courses/94184/quizzes/99415 1/8
https://www.coursehero.com/file/59605796/Self-Assessment-1-Data-Analytics-Business-MGT-6203-OANpdf/

, 2/5/2020 Self Assessment 1: Data Analytics Business - MGT-6203-OAN

data("Carseats")

For Questions 1-4: Create a linear regression model (using the lm
function) with Sales as the dependent variable and Price as the
independent variable.

For Questions 5-8, create a linear regression model (using the lm
function) with Sales as the dependent variable and Price, Bad_Shelf, and
Good_Shelf as independent variables.

Create two indicator (dummy) variables:

Bad_Shelf = 1 if ShelveLoc = “Bad”, 0 otherwise

Good_Shelf = 1 if ShelveLoc = “Good”, 0 otherwise

For questions 9-12, use the file PriceDemand.csv. Download it from
here:
https://www.dropbox.com/s/62jev2rnapxq6pw/PriceDemand.csv?
dl=0 (https://www.dropbox.com/s/62jev2rnapxq6pw/PriceDemand.csv?
dl=0)

Background information: A consumer packaged goods firm is studying the
sales of its flagship brand of laundry detergent, CleanPill. We have
weekly data over a 50-week period on units sold and retail price (in dollars) in
a dataset called PriceDemand.

Code to load the data set: PriceDemand = read.csv("PriceDemand.csv",
header = TRUE)

Fit a linear regression model with Qty as the response variable and Price as
the explanatory variable.

Question 1 2..5 pts

For Questions 1-4, please estimate a linear regression model (using the lm
function) with Sales as the dependent variable and Price as the independent
variable.

What is this model’s adjusted R-squared value?

This study source was downloaded by 100000858936669 from CourseHero.com on 01-23-2023 02:19:19 GMT -06:00

https://gatech.instructure.com/courses/94184/quizzes/99415 2/8
https://www.coursehero.com/file/59605796/Self-Assessment-1-Data-Analytics-Business-MGT-6203-OANpdf/

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Exam (elaborations)

Self Assessment 1_ Data Analytics Business - MGT-6203-OAN (QUESTIONS AND ANSWERS)

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