Problem Set 4: Regression, Regression, Regression LIR 832: SPRING, 2007 (due the week following Spring Break) 1. Our firm produces lubricants for oil well drills and we are trying various means of improving our sales. We have tried additional adverti

Formula Sheet: Mid-term Exam: LIR 832 Fall, 2005
1. POPULTATION MEAN :
=
1 m X m j =1 j
2. POPULATION VARIANCE
2 =
1 m ( Xi - )2 m i=1
POPULATION STANDARD DEVIATION
= 2 =
i=1
( X i - )2
m
m
3. SAMPLE MEAN x=
1 n
x
i =1
n
i
4. SAMPL

UNITED STATES DISTRICT COURT EASTERN DISTRICT OF WISCONSIN
STEVEN J. ALEXANDER, KEITH A. BALASH, CHARLES A. BERARD, MICHAEL R. BRUNOW, JAMES C. CLEVELAND, JOSEPH J. FARINA, JOHN MALLOY HAGEN, WILLIAM E. HEINEN, WAYNE W. JENSEN, THOMAS P. KLUSMAN, ED

LIR 832: Final Examination: Fall, 2004 This examination consists of two parts. The first, worth 60 points consists of three problems each worth 20 points. You are to answer three of your choice. If you answer four, I will base your grade on the three

LIR 832: Mid-term Examination: Spring, 2004 Each Problem is worth 20 points. Answer five of the six problems. Problems should be answered as thoroughly as you are able. Partial credit on problems is only possible if I can locate errors in your calcul

LIR 832: Mid-term Examination: Spring, 2003 Each Problem is worth 20 points. Answer five of the six problems. Problems should be answered as thoroughly as you are able. Partial credit on problems is only possible if I can locate errors in your calcul

LIR 832: Mid-term Examination: Fall, 2003
Each Problem is worth 20 points. Answer five of the six problems. Problems should be answered as thoroughly as you are able. Partial credit on problems is only possible if I can locate errors in your calcula

LIR 832: Mid-term Examination: Fall, 2005
Each Problem is worth 20 points. Answer five of the six problems. Problems should be answered as thoroughly as you are able. Partial credit on problems is only possible if I can locate errors in your calcula

LIR 832
DATA SOURCES
GUIDE TO ECONOMIC DATA SOURCES ON THE INTERNET
The hows and wheres of economic data on the web
This guide is designed to familiarize students with important sources of data on the internet. This guide covers three topics for t

LIR 832: Problem Set #1 Calculating Means, Variances and Standard Deviations: 1. Absenteeism in our plant varies considerably from day to day. Over the last ten days the number of employees absent has been 10, 15, 5, 6, 7, 22, 3, 14, 8, 21 a. Calcula

All Cancers
Cancer Mortality Rates by County (Age-adjusted 1970 US Population)
All Cancers: White Males, 1950-69
64
US = 184.46/100,000
190.66-275.65 (highest 10%) 178.69-190.65 170.18-178.68 164.13-170.17 158.47-164.12 153.20-158.46 147.52-153.19

LIR 832: Final Examination: Spring, 2005 This examination is divided into two sections, each is potentially worth 50 points. The first section consists of four problems. You are to answer three of the four, each problem is worth 16.66667 points. Prob

LIR 832: A Computer Problem Set on Regression: This problem set is intended to familiarize you with regression in MINITAB and provide an initial opportunity to interpret regression output. You will need to download the company sales data set and the

LIR 832: QUANTITATIVE METHODS FOR HUMAN RESOURCE AND LABOR RELATIONS Spring, 2007 Tuesday, 3:00pm - 5:50pm Discussion/Lab Sessions: TBA
Instructor: Dale Belman 408 S. Kedzie Phone: 353-3905 Email: drdale@msu.edu
Lecturer: Russell Ormiston 427 S. Ke

LIR 832: Mid-term Examination: Fall, 2003 Answer all questions as completely as you are able. Partial credit on problems is only possible if I can locate arithmetic errors in your calculations. Show your work! Part I: Definitions: (20 points - 2 poin

LIR 832: Problem Set #3 Joint Distributions, Covariance and Correlation Joint distributions are the building blocks of multi-variate statistics. This problem set consists of two problems to provide you with practice with bi-variate distributions.
1.

LIR 832: Mid-term Examination: Fall, 2003
Each Problem is worth 20 points. Answer five of the six problems. Problems should be answered as thoroughly as you are able. Partial credit on problems is only possible if I can locate errors in your calcula

LIR 832: Mid-term Examination: Fall, 2003 Answer all questions as completely as you are able. Partial credit on problems is only possible if I can locate arithmetic errors in your calculations. Show your work!
Part I: Definitions: (20 points - 2 poi

1. Which of these equations is it possible to estimate using regression techniques? a.) Yi = 0 + 1X1i + 2X2i + This equation is already in a form interpreted to be capable of estimating through standard regression techniques. See equation (1.12) in

LIR 832: Final Examination: Spring, 2004 This examination consists of two parts. The first, worth 45 points consists of four problems each worth 15 points. You are to answer three of your choice. If you answer four, I will base your grade on the thre

LIR 832: Final Examination: Spring, 2005 This examination is divided into two sections, each is potentially worth 50 points. The first section consists of four problems. You are to answer three of the four, each problem is worth 16.66667 points. Prob

LIR 832: Problem Set 5 A. Problems in Studenmund: Chapter 5 For all problems, conduct a test to determine if the null can be rejected in a 10%, 5% or 1% test (some problems want only a 5% test, but we can do better. Also, do not worry about conductin

LIR 832: Mid-term Exam: Fall, 2005 A Few Comments: I regret not being with you during the exam tonight. My wife is away on assignment and I don't want to leave the kid units with a babysitter two nights in a row. Helping with a review session seemed

Last Computer Problem Set: SPRING, 2007 Lazy Brown Dog Data:
This data set is similar to the types of compensation survey data sets which you will work with throughout much of your career if you work in compensation. It covers 27 benchmark jobs at 6

LIR 832 Problem Set #2 1. There are many theories about how one might improve productivity and at least 15 consulting firms marketing programs based on each theory. One of the more interesting approaches draws on the Roman Emperor Caligula's profound

LIR 832: MINITAB WORKSHOP SEPTEMBER ?, 2006
Opening Minitab Minitab will be in the Start Menu under "Net Apps". Opening the Data Go to the following web site: http:/www.msu.edu/course/lir/832/Datasets.htm Right-click and "Save Target As." on the link

LIR 832: Mid-term Examination: Fall, 2004 Each Problem is worth 20 points. Answer five of the six problems. Problems should be answered as thoroughly as you are able. Partial credit on problems is only possible if I can locate errors in your calculat

Topics for This Evening
What Are the Characteristics of Good Research?
Tufte Loury Boiler Plate Questions
How Do We Handle Qualitative Data in a Regression?
Dummy Variables
LIR 832 Lecture 8
The Good, the Bad and the Ugly: Tufte: Good and Bad Anal

Regression: Choosing Variables
LIR 832 November 14, 2006
Topics of the Day.
Choosing Independent Variables
What variables should be in a model? What is the effect of leaving out important variables? What is the effect of adding in irrelevant variab

Topics for This Evening
What Are the Characteristics of Good Research?
Tufte Loury Boiler Plate Questions
How Do We Handle Qualitative Data in a Regression?
Dummy Variables
LIR 832 Lecture 8
The Good, the Bad and the Ugly: Tufte: Good and Bad Anal