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
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
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 #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
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
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
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
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
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
Dr. Harvey A. Singer
School of Business
George Mason University
OM 210
Statistical Analysis for
Management
Data Summarization:
Summary of the Key Statistics
Harvey A. Singer
1
Sample Statistics
Central Tendency
x
median
mode
midrange
midquartile
Harvey
Dr. Harvey A. Singer
School of Business
George Mason University
OM 210:
Statistical Analysis for
Management
Data Presentation
2: Presenting Numerical Data
Key Concepts
2010 by Harvey A. Singer
1
Data Presentation
Purpose:
The idea is to summarize sampl
Problems from Section 2.2 for Recitation
Problem2.11.
Dontusethegivenclassification.Usethe2^cnrule.
n = 40.
c = 5, 2^5 = 32 < n = 40
c = 5, 2^5 = 32 < n = 40
c = 5, 2^5 = 32 < n = 40
c = 6, 2^6 = 64 > n = 40
So start by using c = 6 classes to classify the
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
Problems from Section 2.1 for Recitation
Prob 2.4
What is the population being sampled?
ANS: The top five syndicated programs.
What is the variable of interest?
ANS: The preferred show of the top five syndicated programs.
What is the sample?
ANS: 50 viewe
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
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
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
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
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
4. Dummy Variables
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
2. Goodness-of-Fit Measures
Harvey A. Singer
1
Evaluating the
Regression Model
Statistical evaluation.
Goodness-of fit
In class on Tuesday, June 30, I discuss the presentation of numerical
data, the subject of section 2.2 from Chapter 2. For the pertinent
presentations I will deliver in class, from the Course Content page, click
on the icon (link) for 2. Data Presentation
Dr. Harvey A. Singer
School of Business
George Mason University
OM 210:
Statistical Analysis for
Management
Data Presentation
3: Histogram Shapes
Harvey A. Singer
1
Distribution Shapes
Symmetric.
A single central peak.
Left-skewed.
Single peak to the
Final Exam Care Packages Productivity
Old
New
Labor
5
5
Product
100
133
Productivity
20
26.6
Increase in Productivity
33%
Loaves per Hour
2.344
Hours per Month
160
Monthly Output of 1 Worker
375.04
Loaves per Month Increased Demand Additional Loaves Neede
City
Atlanta
Boston
Chicago
Dallas
Denver
Detroit
Jacksonville
Las Vegas
Los Angeles
Miami
Minneapolis
Philadelphia
Phoenix
San Antonio
San Diego
San Francisco
Seattle
St. Louis
Tampa
Washington
AT&T
70
69
71
75
71
73
73
72
66
68
68
72
68
75
69
66
68
74
7
OM 210 Spring 2016 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,
Sweeney, Williams, Camm, and Cochrane T.A., Essentials of Statistics for
Business and Eco
OM 210 Spring 2016 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., Cen
OM 210 Spring 2016 Homework Assignments
Homework #1 for Chapter 2
Sections 2.1 and 2.2
Problems selected from Anderson, Sweeney, Williams, Camm, and Cochran
Essentials of Statistics for Business and Economics, 7th edition (Cengage Learning,
2015. (Hencefo