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661082631
Reading 1 Summary
The reading is an outline of how to figure out the correct supply chain strategy based on
your product. The first step in this process is to consider the demand for the product being
supplied. In order to consider
ISYE 4140 Notes 3
Sampling Distributions of Statistics
Reference Reading: Book by Devore, Sections 5.3,
5.4, and 5.5
Topics
Study the basic concept about sampling distribution
Use R to obtain the sampling distributions for sample
mean and sample varian
ISYE 4140 Notes 1
Instructor: Wei Xie
Role of Probability in Statistics
Most statistical analyses involve some form of sample that you view
as representative of some broader population that consists of "all
units of interest." The goal is to make inferen
ISYE 4140 Notes 4
Reference Reading: Book by Devore
Chapter 6 (Point Estimation)
Chapter 7 (Confidence Intervals)
Overview of Statistical Inference
Define the population and the r.v. of interest, and identify
an appropriate form for the population dist
Notes 7: Introduction to Multiple Linear
Regression
Instructor: Professor Xie
Instructor: Professor Xie
Notes 7: Introduction to Multiple Linear Regression
1 / 32
Introduction to Multiple Linear Regression
Topics: The multiple linear regression model, int
Notes 9: Multicollinearity
Instructor: Professor Xie
Instructor: Professor Xie
Notes 9: Multicollinearity
1 / 14
Topics:
newfood case study
Living with multicollinearity
Read Chapter 7.6 in textbook KNNL.
Instructor: Professor Xie
Notes 9: Multicollineari
Notes 6: Correlation and Simple Linear Regression
Instructor: Professor Xie
March 12th, 2015
Instructor: Professor Xie
Notes 6: Correlation and Simple Linear Regression
1 / 78
Book: Applied Linear Statistical Models, fth edition, 2005, by Kutner,
Nachtshe
Notes 8: Multiple Linear Regression
Instructor: Professor Xie
Instructor: Professor Xie
Notes 8: Multiple Linear Regression
1 / 37
Introduction to Multiple Linear Regression
Topics:
Standarized version of the multiple regression model
Extra sums of square
ISYE 4140 Notes 5
Reference Reading: Book by Devore
Chapter 8 (Hypothesis Testing)
Hypotheses Testing Motivating Example
8 oz. milk cartons are filled at a dairy by a filling machine.
The process is checked every day by measuring the
volumes for a sample
ISYE 4140 Notes 5
Reference Reading: Book by Devore
Chapter 8 (Hypothesis Testing)
Hypotheses Testing Motivating Example
8 oz. milk cartons are filled at a dairy by a filling machine.
The process is checked every day by measuring the
volumes for a sample
ISYE 4140 Notes 2
Instructor: Wei Xie
Basic Statistical Tasks
Collecting Data
Summarizing and Exploring Data
Descriptive statistics, or
Exploratory data analysis
Drawing Conclusions
Inferential Statistics
Confirmatory data analysis
Part I Collecting D
Tyler Gendron
661082631
Hamptonshire Case
1.
a. In this situation, Sheen should stock the optimal stocking quantity which is 584
newspapers and the expected profit at this stocking quantity is $331.44.
Cu
1
)
b. Q=+ (
Cu +C O
.8
Q=500+ 1 (
)(100)
.8+.2
Q=
Incentive Alignment Exercise - Updated
You are a retailer. You buy coffee tables at a wholesale price of $30 and sell it for $40. It
costs your supplier $20 to make it. Unsold items will be marked down and sold at $15.
Demand is normally distributed with
Tyler Gendron
661082631
Barilla Case
The underlying causes of the difficulties that the JITD program was created to solve are
the bullwhip effect and stock out issues that strain their manufacturing and logistics operations.
The Just-in-Time distribution
Tyler Gendron
661082631
Dell Case
In order to critically assess Dells competitive position in the PC market I will use a
SWOT analysis approach to analyze its internal strengths and weaknesses and its external
opportunities and threats. Dell has a lot of
Tyler Gendron
661082631
Zara: Fast Fashion Case
Out of the international competitors listed in the case it is most interesting to compare
Inditexs financial results with H&M. By assessing four financial factors of Inditex compared to
its international com
Tyler Gendron
Michael Miles
ISYE 4210
Homework 4
1.
a. Forecasting plays a huge role in the supply chain of a build-to-order manufacturer
such as Dell and is heavily relied on. It is used to predict future demand which
then determines the quantity of each
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661082631
Homework 3
1.
a. The main difference between the three aggregate planning strategies is the
parameter that is used to achieve equality of supply and demand over the
aggregate planning period known as the lever.
b. The types of indu
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661082631
Homework #2
1.
a. Import duties can have a huge impact on the location decision in a supply chain.
International, state, and city tariffs must be considered and when they are
excessive they can make a huge impact on the location de
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661082631
HW 1
1. The typical supply chain for a gallon of milk starts with the supplier which usually is a
farmer. From here the milk flows to a manufacturer who with the help of a plastic bottle
supplier put together the final product. Nex
Notes 6: Correlation and Simple Linear Regression
Instructor: Professor Xie
March 9th, 2015
Instructor: Professor Xie
Notes 6: Correlation and Simple Linear Regression
1 / 81
Book: Applied Linear Statistical Models, fth edition, 2005, by Kutner,
Nachtshei
Notes 12: Diagnostics and Transformation
Instructor: Professor Xie
Instructor: Professor Xie
Notes 12: Diagnostics and Transformation
1 / 29
Regression model building is often an iterative and interactive
process.
Regression diagnostics are used to detect
Notes 11: Model Selection
Instructor: Professor Xie
Instructor: Professor Xie
Notes 11: Model Selection
1 / 12
Topics:
Quality control case
Automated model selection
Cross validation
Read Chapter 9 in textbook KNNL.
Instructor: Professor Xie
Notes 11: Mod
NAME: _SOLUTIONS_ RPI ID #
_
ISYE 4140 Statistical Analysis Fall 2011 Exam 1
Rules of the Game:
1. Work entirely alone. Do not give or solicit assistance from any other student.
2. Do not open any IM or email programs or web browsers. Running such softwar
1 annual
monthly
daily
2
$6,975.32
$7,004.86
$7,007.57
alternate solution:
$8,897.47 alternate solution assumes deposit in year 0 of $1,000
$8,957.27
$8,962.76
Students were told to ignore salvage value in this probem
Cum
9
0
-500
-500
17
1
-1000
-1500
($
NAME: _ RPI ID #
_
ISYE 4140 Statistical Analysis Fall 2011 Exam 1
Rules of the Game:
1. Work entirely alone. Do not give or solicit assistance from any other student.
2. Do not open any IM or email programs or web browsers. Running such software
will be