8.45. A survey conducted by the American Automobile Association showed that a family of four spends an average of $215.60 per day while on vacation. Based on a random sample of 64 families of four vacationing at Niagara Falls, the mean amount spent per da
OM 210 Fall 2010 Homework Assignments Homework #1 for Chapter 2 Sections 2.1 and 2.2
Problems selected from Anderson, D.R., Sweeney, D.J., and Williams, T.A., Essentials of Statistics for Business and Economics, 5th Ed., Thomson/SouthWestern., 2009. (Henc
Solutions for the Required Problems for Homework #1 from Chapter 2
Required homework: Problems 9, 17, and 21 from Chapter 2, with additional questions. Problem 9. a/b. Reason for CEO Built Hired Inherited Total c. Construct the bar graph
15 Frequency 10 5
OM 210 Fall 2010 Homework Assignments Homework #6 for Chapter 5, Sections 5.2 and 5.3
Textbook problems selected from Chapter 5, sections 5.2 and 5.3, of Anderson, D.R., Sweeney, D.J., and Williams, T.A., Essentials of Statistics for Business and Economic
OM 210 Fall 2010 Homework Assignments Homework #10 for Chapter 9, Sections 9.1 to 9.2 and 9.4 Chapter 12, Sections 12.1 to 12.4 Chapter 13, Sections 13.1 to 13.4
Problems selected from Anderson, D.R., Sweeney, D.J., and Williams, T.A., Essentials of Stati
George Mason University School of Management OM 210: STATISTICAL ANALYSIS FOR MANAGEMENT Prof. Harvey Singer TEST #3: Inference and Regression (SAMPLE)
Confidence Interval Example Problems
1. A process packages refined sugar into small 20-ounce bags. The
OM 210 001 Quiz 3, Basic Probability
For all Tuesday recitation sections of lecture section 001 (Thursday morning lecture), Quiz 3 on basic probability will be given at the beginning of recitation on Tuesday, October 26. The quiz will be based on my Power
Dr. Harvey A. Singer
School of Management George Mason University
OM210: StatisticalAnalysisfor Management
Basic Probability
Part 1: Possibilities and Probabilities
2007 by Harvey A. Singer 1
Topics List and Organization
Possibilities.
Basic terminolog
NAME _ TA _
OM 210: Statistical Analysis for Management
Quiz 4: Basics of Discrete Random Variables
Directions: For the questions below, write your answers next to each question. Report all probabilities as decimals rounded to four (4) decimal places. Rep
NAME _ANSWER KEY_ TA _
OM 210: Statistical Analysis for Management
Quiz 5: Discrete Probability Distributions
Directions: For the questions below, write your answers to each question in the spaces provided on the next page. Report all probabilities as dec
Brett Rojas
September 16, 2010
OM 210 301
Homework #1
Section 2.1, Problem 9
a)
CEO Obtainment
Inherited
Built
Hired
Total:
Frequency
8
14
4
26
b)
CEO Obtainment
Inherited
Built
Hired
Total:
Relative Frequency
30.8%
53.8%
15.4%
100%
c)
d) 30.8% of CEOs of
Solutions for More Recitation Problems from Chapter 8 From the Supplementary Exercises
44. Based on a survey of 54 discount brokers, the mean price charged for a trade of 100 shares at $50 per share is $33.77. It is known that the standard deviation of al
OM 210, Summer A-2010, (Prof. Sid Das)
HOMEWORK 2, (68 points)
Please answer on a SCANTRON sheet.
WRITE YOUR NAME AND CLASS TIME ON THE TOP OF YOUR SCANTRON
SHEET.
HOMEWORK DUE DATE is June 16, 2010.
-Problem A
The manager of a grocery store claims that t
Problem Solutions for Required Homework #10
from Chapter 9
Problems 29 and 31 (and 33)
29. The cost of a one-carat, VS2 clarity, H color diamond from an on-line
vendor is claimed to be $5600. A jeweler wants to know if the price is
truly $5600 or not; if
Dr. Harvey A. Singer
School of Business
George Mason University
OM 210
Statistical Analysis for
Management
Multiple Linear Regression
2. Goodness-of-Fit Measures
Harvey A. Singer
1
Evaluating the
Regression Model
Statistical evaluation.
Goodness-of fit
Ship
Seabourn Odyssey
Seabourn Pride
National Geographic Endeavor
Seabourn Sojourn
Paul Gauguin
Seabourn Legend
Seabourn Spirit
Silver Explorer
Silver Spirit
Seven Seas Navigator
Silver Whisperer
National Geographic Explorer
Silver Cloud
Celebrity Xpediti
Dr. Harvey A. Singer
School of Business
George Mason University
OM 210
Statistical Analysis for
Management
Multiple Linear Regression
4. Dummy Variables
Harvey A. Singer
1
Topics
Multiple linear regression.
Basic concepts.
Least squares method.
Fitti
Ship
Seabourn Odyssey
Seabourn Pride
National Geographic Endeavor
Seabourn Sojourn
Paul Gauguin
Seabourn Legend
Seabourn Spirit
Silver Explorer
Silver Spirit
Seven Seas Navigator
Silver Whisperer
National Geographic Explorer
Silver Cloud
Celebrity Xpediti
Dr. Harvey A. Singer
School of Business
George Mason University
OM 210
Statistical Analysis for
Management
Multiple Regression
3. Significance of the Model
Harvey A. Singer
1
Topics
Multiple linear regression.
Basic concepts.
Least squares method.
Fitti
Dr. Harvey A. Singer
School of Business
George Mason University
OM 210
Statistical Analysis for
Management
Multiple Linear Regression
Key Concepts
Harvey A. Singer
1
Input Data
Sample of n data points listed as the ordered
pairs
(x1, x2, , xk, y)
for the
ASW 6e Prob 13.5 (p. 560)
The purpose of advertising is to get the message out to consumers to stimulate
demand, thereby increasing revenue (as you have learned or will learn in your
marketing class).
Therefore, weekly gross revenue depends on and respond
Dr. Harvey A. Singer
School of Business
George Mason University
OM 210:
Statistical Analysis for
Management
Data
Types, Measurement Scales,
and Sources
Harvey A. Singer
1
Topics List
What is the sample data.
Data and data classifications.
Measurement
Dr. Harvey A. Singer
School of Business
George Mason University
OM 210:
Statistical Analysis for
Management
Broad Overview
Harvey A. Singer
1
Purposes
To characterize and represent:
groups
samples
populations
processes
with time
Harvey A. Singer
2
OM 210 Summer 2015
Homework #1
Descriptive Statistics Chapters 1 to 3
Assigned Wednesday, July 1. Due Monday, July 6.
Problems selected from Anderson, Sweeney, Williams, Camm, and Cochran
Essentials of Statistics for Business and Economics, 7th edition (C
Exemplars for the Homework Problems from Section 3.2
Required for Homework #1
Chapter 3, Section 3.2: Problems 29, 30, 34, 41.
For measures of variability, problem parts with the following additional questions
(from HW #3):
a.
b.
c.
d.
e.
f.
g.
h.
Of the
Exemplars for the Homework Problems from Chapter 2
Required for Homework #1
Section 2.2, Problem 17.
Problem 2.17.
a/b.
(disregard given classes. Use 2^c rule instead)
n = 20.
c = 4, 2^4 = 16 < n = 20
c = 5, 2^5 = 32 > n = 20
So try using c = 5 classes to
Exemplars for Homework #1 from Section 3.1
Chapter 3, Section 3.1: Problems 8 and 9.
For measures of central tendency, problem parts with the following additional
questions (from HW #1):
1.
2.
3.
4.
5.
6.
What population is sampled?
What value is expected
On this first day of the course, Monday, June 29, I will briefly discuss
the course syllabus and give an overview of the course and of the
subject.
Then there will be a short quiz. The purpose of this quiz is for
evaluation purposes only to assess your cu
OM 210 Fall 2014 Homework Assignments
Homework #0 for Chapter 1
Problems selected from Anderson, Sweeney, Williams, Camm, and Cochran,
Essentials of Statistics for Business and Economics, 7th ed., Cengage Learning,
2015. Problems appear in the Exercises a
OM 210 Fall 2014 Homework Assignments
Homework #9
for
Chapter 7, Section 7.5
Chapter 8, Sections 8.1 to 8.3
Textbook problems selected from Anderson, Sweeney, Williams, Camm, and
Cochrane Essentials of Statistics for Business and Economics, 7th Ed., Cenga
Problem Solutions for Required Homework #11
from Chapter 12
12.5 Given a sample of size n = 8 of randomly sampled data for number of defects
found on versus line speed (speed in feet/minute of the conveyor belt).
Let x denote the independent variable of l
OM 210 Fall 2014 Homework Assignments
Homework #10 for
Chapter 9, Section 9.1, 9.2, 9.4
Textbook problems selected from Anderson, Sweeney, Williams, Camm, and
Cochrane Essentials of Statistics for Business and Economics, 7th Ed., Cengage
Learning, 2015.
R
OM 210 Fall 2014 Homework Assignments
Homework #11 for
Chapter 12, Sections 12.1 to 12.4
Textbook problems selected from Anderson, Sweeney, Williams, Camm, and
Cochrane Essentials of Statistics for Business and Economics, 7th Ed., Cengage
Learning, 2015.