Chapter 3
Numerical Descriptive
Measures
David Chow
September 2017
1
Learning Objectives
To describe the properties of central tendency,
variation and shape in numerical data
To calculate descriptive summary measures for a
population
To construct and i
Chapter 0
What is Statistics
David Chow
Sep 2017
1
Learning Objectives
In this chapter, you will learn to:
Know what statistics is
Understand the relevance of statistics
2
Statistics
Two
Branches
Definition
The branch of mathematics
that transforms dat
Chapter 2
Organizing and
Visualizing Variables
Two Questions:
Tell what? How?
David Chow
Sep 2017
1
Learning Objectives
In this chapter you learn:
To construct tables and charts for categorical data
To construct tables and charts for numerical data
The
Chapter 1
Defining
and Collecting Data
David Chow
Sep 2017
1
Learning Objectives
In this chapter, you will learn to:
Understand the types of variables in statistics
Know the different measurement scales
Know how to collect data
Know the different ways
DSME 2030
Operations Management
Lecture 3
Strategic Capacity Mangement
Xiangyu Gao
Fall 2017
Long range
Greater than one year
Intermediate range
Monthly or quarterly plans covering the next 6 to 18
months
Short range
Less than one month
1
1
2
2
3
3
4
4
Department of Decision Sciences & Managerial Economics
CUHK Business School
The Chinese University of Hong Kong
DSME2030 Operations Management
Section B
First Term, 2017 2018
Every Wednesday 2:30pm-5:15pm
403 WMY
INSTRUCTOR
NAME
Prof. GAO, Xiangyu
Office:
Department of Decision Sciences & Managerial Economics
Faculty of Business Administration
The Chinese University of Hong Kong
DSME2030 Operations Management
INSTRUCTOR
NAME:
Office:
Phone:
E-mail:
Jeff Yeung
Room 917 CYT
3943 7779
[email protected]
T
Homework 1
DSME2030B Operations Management
Term 1, 2017-2018
CUHK Business School, CUHK
Due Date: Sep. 27
1. (10 pts) Find an example where companies have used features related to
environmental sustainability to win new customers.
2. (10 pts) Describe the
Department of Decision Sciences & Managerial Economics
CUHK Business School
The Chinese University of Hong Kong
DSME2030 Operations Management
Section A
First Term, 2017 2018
Every Monday 9:30-12:15 (WMY 304)
INSTRUCTOR
NAME
Office:
Phone:
E-mail:
Office
Department of Decision Sciences & Managerial Economics
CUHK Business School
The Chinese University of Hong Kong
DSME2030 Operations Management
Section B
First Term, 2017 2018
Every Wednesday 2:30pm-5:15pm
403 WMY
INSTRUCTOR
NAME
Prof. GAO, Xiangyu
Office:
Name (print, please) _ ID _
Production Management 73-604 Fall 2006
Odette School of Business
University of Windsor
Midterm Exam 1 Solution
Thursday, October 12, 5:30 6:50 pm
Instructor: Mohammed Fazle Baki
Aids Permitted: Calculator, straightedge, and a o
DSME 4020 Assignment 3
Name: YOU YI
S.ID: 1155061964
Problem 1:
Problem 2:
Excel gives us the sensitivity report
a. The sensitivity range of the coefficient of bond 1 is [0.1 225 , ] .
It means that if we decrease the coefficient b1 , the nature of the op
DSME 4020 Assignment 4
Name: YOU YI
S.ID: 1155061964
1. A. Decision variable:
x ij are binary
x ij , stand for whether assign designer i j
4
Objective (maximum score):
v ij x ij
j=1
4
i =1
( v ij is the quality score of designer i doing project j)
Constr
DSME 4020 Assignment2
Name: YOU YI
S.ID: 1155061964
Problem 1:
NO. Basically, it is not possible for an LP model to have exactly two optimal
solutions. As the feasible region of a LP must be convex, while an LP may have
two exact two optimal solutions, th
DSME 4020 Assignment 5
Name: YOU YI
S.ID: 1155061964
1.
a. The expected profit is around $10726.29
b. The probability of loss is around 0.07
c. The maximum loss is around $13020.50
2.
a. The expected cost is around $18,537,443
b. The maximum cost is aroun
Strategic Choice in Oligopoly
Types of Market Structure
Number of firms?
Many
firms
Type of products?
One
firm
Monopoly
A few
firms
Oligopoly
Differentiated
products
Monopolistic
Competition
Strategic Interdependence
Identical
products
Perfect
Competition
DSME1030 Economics for
Business Studies I
Oligopoly
Rao Fu
Fall 2016
1
Measuring Market Concentration
Concentration ratio: the percentage of the markets total
output supplied by its four largest firms.
The higher the concentration ratio, the less competit
DSME1030 Economics for
Business Studies I
The Costs of Production
Rao Fu
Fall 2016
1
What are Costs?
We assume that the firms goal is to maximize profit.
Profit = Total revenue Total cost
Explicit costs require an outlay of money
Implicit costs do not
DSME1030 Economics for
Business Studies I
Monopoly
Rao Fu
Fall 2016
1
Why Monopolies Arise
A monopoly is a firm that is the sole seller of a product
without close substitutes.
A monopoly firm has market power, the ability to
influence the market price o
DSME1030 Economics for
Business Studies I
Supply, Demand,
and Government Policies
Rao Fu
Fall 2016
1
Government Policies That Alter the Private
Market Outcome
Price controls
Price ceiling: a legal maximum on the price of a
good or service
Price floor: a l
DSME1030 Economics for
Business Studies I
The Costs of Taxation
Rao Fu
Fall 2016
1
Review
A tax
drives a wedge
between the price
buyers pay and the
price sellers receive.
raises the price buyers
pay and lowers the
price sellers receive.
reduces the quanti
2015 MATH1010F
Classwork 7
Charles Li
P
1
1. Let an = n(n+1)
. Let Sn = nk=1 an .
(a) Show that
an =
(b) Show that Sn = 1
1
1
.
n n+1
1
.
n+1
(c) Show that
X
an = 1.
n=1
Answer.
(a)
1
1
n+1n
1
=
.
n n+1
n(n + 1)
n(n + 1)
(b)
1
1 1
1
1
a1 + a2 + + an = (1
2015 MATH1010F
Classwork 3
Charles Li
1. Let f (x) = x2 x + 1 3. Show that there exists c [0, 3]
such that f (c) = 1.
Answer. f (x) is a continuous function on [0, 3]. f (0) = 4,
f (3) = 4. By the intermediate value theorem, there exists c
such that f (c)
2015 MATH1010F
Classwork 5
Charles Li
1. Given
1
x
+
Answer.
1
y
= 7, compute
dy
.
dx
d 1
d 1
+
= 0.
dx x dx y
Hence
1
1 dy
=0
2
2
x
y dx
y2
dy
= 2.
dx
x
2. Given (x2 + y 2 )2 = x2 y 2 , find
Answer.
2(x2 + y 2 )
dy
.
dx
dy
d 2
(x + y 2 ) = 2x 2y
dx
dx
2
Douglas, Spring 2008
PLEDGE: I have neither given nor received unauthorized help on this exam.
SIGNED:_
February 21, 2008
PRINT NAME: _
Econ 202 Midterm 1
1. What will happen to the equilibrium price of hamburgers if the population of consumers increases,
Student ID: _
Page 12 of 15
Short Answers (40 points in total)
1. (9 pts) Suppose that there is a reduction in government spending. Use the model of aggregate
demand and aggregate supply to analyze the effects of this change.
(a) (5 pts) Illustrate graphi
Student ID: _ Name: _ Section: _
DSME 1040 Final Exam Additional Exercises
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. You pay for cheese and bread from the deli with currency. Which function of money