SKEMA Bachelors EAI
Fall 2012
Instructor: A. Dalmasso
Statistics for business
Homework # 2 - Solution
Exercise 1. Normal distribution
According to the Cellular Telecommunications Industry Association, the average local
monthly cell phone bill is $42.78. S
Chapter X Introduction to
hypothesis testing
Statistics for Business
P. Aboussouan
Read book
pp.289-333
I- Introduction
Read again all the explanations about inferential process.
This chapter introduces hypothesis testing, the central topic of a statistic
' ema
BUSINESS SCHOOL
2014/2015 Academic Your
Fall session
EAI Program
Statistics for Business
BUS 2702
a CREDITS
COURSE INSTRUCTORS: Pierre Aboussouon
Audrey Dolmosso
COURSE COORDINATOR: Audrey Dolmosso
FINAL EXAM
Extrait du Reglemeut lutérieur du SKEM
Chapter VIII Sampling
distributions
Statistics for Business
P. Aboussouan
Read book
pp.232-251
I- Introduction & Recall
Chapter 1: What is the inferential process?
Inferential statistics is used to make inferences from our data to more general conditions.
Chapter III Numerical
Descriptive Techniques
Statistics for Business
P. Aboussouan
Introduction
Measures of
central
tendency
Objectives
Measures of
variability
Other
measures
Read book
pp.48-55
I- Measures of central tendency
Measures of central tendency
Chapter IX Statistical inference,
Estimations
Statistics for Business
P. Aboussouan
Read book
pp.253-257
I- Introduction & Recall
To understand Estimation make sure certain that you understand the
sampling distribution of the mean before proceeding.
The p
Chapter V Probability
Statistics for Business
P. Aboussouan
1- Definitions (1)
Examples: - Interviewing 20 randomly
selected consumers and asking
Experiment : a process that produces outcomes.
them which brand of appliance
they prefer.
Trial : one repetit
Chapter I Introduction to
Statistics
Statistics for Business
P. Aboussouan
Introduction
Biology
Economics
Physics
STATISTICS
Marketing
Finance
Management
Production
I- Main Definitions (1)
Statistics:
- Science of gathering, analyzing, interpreting and p
Chapter IV Measures of
association
Statistics for Business
P. Aboussouan
Introduction
A scatter diagram can be used to assess whether
or not there is a relationship between two
variables and to determine if the relationship is
linear, nonlinear positive o
Chapter X Introduction to
hypothesis testing
Statistics for Business
P. Aboussouan
Read book
pp.289-333
I- Introduction
Read again all the explanations about inferential process.
This chapter introduces hypothesis testing, the central topic of a statistic
Chapter II Graphical Descriptive
Techniques
Statistics for Business
P. Aboussouan
Introduction
Collect data
Objectives
Organize data
into a frequency
distribution
Construct:
a histogram,
a frequency polygon,
an ogive,
a pie chart,
a scatter plot
I- Graphi
Statistics for business
Solution - Midterm Test 1 FALL 2010
Lecturers: P. Aboussouan and A. Dalmasso
Exercise 1. True - False questions
Give the good answer when it is false.
1. Consider the two sets of data represented by the bar graphs in the following
Statistics for business
BUS2702 - Spring 2011
Midterm Test 1 - Solution
Instructors: Pierre ABOUSSOUAN, Audrey DALMASSO
Exercise 1. True - False questions
Give the good answer when it is false.
1. The mean and the median are not affected by outliers (extr
Academic Year 2010/2011
Spring Semester
EAI Program
Statistics for Business
BUS 2702
3 credits
COURSE INSTRUCTORS :
Pierre ABOUSSOUAN
Audrey DALMASSO
COURSE COORDINATOR : Audrey DALMASSO
MIDTERM TEST
NAME:_
Statistics for business
BUS2702
Midterm Test 1
P
Exercise 1
Exercise 2
Exercise 3
Total
/15
/15
/20
/50
NAME:_
Academic Year 2014/2015
Spring Semester
EAI Program
Statistics for Business
BAC.EAINA.ECBUS.2702
3 credits
COURSE INSTRUCTOR: Pierre ABOUSSOUAN
COURSE COORDINATOR: Audrey DALMASSO
Quiz 1
Januar
Exercise 1: (15 points)
According to the U.S.Environmental Protection Agency, a sample of 10 subcompact models shows the
following estimated values for highway fuel economy (m g): /
40 33 32 3/0/ 2/7” 27' 2/3 24" 10’"
For these sample data, determine: I
1
Statistics for business decision
Quiz # 2 (45 mn)
Please write clearly and put your name on every piece of paper you submit.
A correct answer with no explanation may not get full credit but a wrong answer with correct intermediate steps
(method or calcula
LAST NAME:_
FIRST NAME:_
TEACHER:_
2014/2015 Academic Year
Fall session
EAI Program
Statistics for Business
BUS 2702
3 CREDITS
COURSE INSTRUCTORS: Pierre Aboussouan
Audrey Dalmasso
COURSE COORDINATOR: Audrey Dalmasso
Ex 1
/6
Ex 2
/5
Ex 3
/17
Ex 4
/5
Ex 5
Chapter XII Single regression
analysis
Statistics for Business
P. Aboussouan
Read book
pp.482-501
(544-564)
I- Least squares line
1- Definition
The least squares method is used to produce the line that provides the best possible fit
to the points in a sca
Chapter VIII Sampling
distributions
Statistics for Business
P. Aboussouan
Read book
pp.232-251
I- Introduction & Recall
Chapter 1: What is the inferential process?
Inferential statistics is used to make inferences from our data to more general conditions.
Chapter XI Introduction to Analysis
of variance
ANOVA
Statistics for Business
P. Aboussouan
I- Introduction
Experimental design : a plan and structure to test hypotheses on which the researcher
either controls or manipulate one or more variables.
Independ
SKEMA Bachelors EAI
Spring 2012
Instructor: A. Dalmasso
Statistics for business
Homework # 3
Solution
Exercise 1
From past experience, the population standard deviation of rod diameters produced by a
machine has been found to be = 0.053 inches. For a simp
SKEMA Bachelors EAI
Fall 2012
Instructor: A. Dalmasso
Statistics for business
Homework # 3
Due date: Wednesday, December 5th
It is not a group homework assignment. This homework is mandatory.
A wrong answer with correct intermediate steps (method or calcu
SKEMA Bachelors EAI
Spring 2012
Instructor: A. Dalmasso
Statistics for business
Homework # 3
Due date
Group 1: Wednesday, March 28th
Group 2: Thursday, March 29th
It is not a group homework assignment.
A wrong answer with correct intermediate steps (metho
SKEMA Bachelors EAI
Spring 2012
Instructor: A. Dalmasso
Statistics for business
Homework # 2
Due date
Group 1: Wednesday, March 14th
Group 2: Thursday, March 15th
It is not a group homework assignment.
A wrong answer with correct intermediate steps (metho
SKEMA Bachelors EAI
Fall 2012
Instructor: A. Dalmasso
Statistics for business
Homework # 2
Due date: Wednesday, November 7th
It is not a group homework assignment. This homework is mandatory.
A wrong answer with correct intermediate steps (method or calcu
SKEMA Bachelors EAI
Fall 2012
Instructor: A. Dalmasso
Statistics for business
Homework #3 - Solution - Exercise 11.16
Explain the design of the study and determine wheter there is an overall significant difference
between the means at = 0.05?
It is a one-
SKEMA Bachelors EAI
Fall 2012
Instructor: A. Dalmasso
Statistics for business
Homework #3 - Solution to Exercise about Smoothing techniques
1. Use exponential smoothing technique to forecast each ensuing time period. Work the
problem using w = 0.8. Round
SOLUTION EXERCISES
CHAPTER 2 - PART 2
Lecturer: A. Dalmasso (audrey.dalmasso@skema.edu)
MEASURES OF ASSOCIATION - REGRESSION ANALYSIS
Example 10
An educational economist wants to establish the relationship between an individuals income
and education. He t