Final Paper for STATUB.0103
Instructor: Kevin Brabazon
This can be completed as a group [up to 4 members] or individual assignment.
This assignment requires you to analyze a data set using the statistical tools you have
learned during the semester. The d
STATISTICS FOR BUSINESS CONTROL AND REGRESSION MODELS
STATUB 0003.02

Fall 2014
Exam 1 handout
1. A fastfood restaurant monitors its drivethru service times electronically to ensure that its
speed of service is meeting the companys goals. A sample of 28 drivethru service times
was taken and the stemandleaf display below;
1
6
9
1
Inferences Based on a Single
Sample: Estimation with
Confidence Intervals
LargeSample Confidence Interval
for a Population Mean
How to estimate the population mean and
assess the estimates reliability?
x is an estimate of , and we use CLT to
assess how a
FINAL COMPUTER ASSIGNMENT FOR STAT 1:
Salary equity at SAFECORP
You have been asked to provide statistical expertise in a lawsuit alleging discrimination
against minority employees at Safecorp, a major banking institution. One of the issues at
stake is sa
Hypothesis Testing
Inferences Based on a Single
Sample: Tests of Hypothesis
The Elements of a Test of
Hypothesis
7 elements
1.
2.
3.
4.
5.
6.
7.
The Null hypothesis
The alternate, or research hypothesis
The test statistic
The rejection region
The assumpti
Simple Linear Regression
Instructor: Kevin Brabazon
Probabilistic Models
General form of Probabilistic Models
Y = Deterministic Component + Random
Error
where
E(y) = Deterministic Component
Probabilistic Models
First Order (StraightLine) Probabilistic Mo
Multiple Regression and Model
Building
Multiple Regression Models
The General Multiple Regression Model
y = 0 + 1 x1 + 2 x2 + . + k xk +
y
is the dependent variable
are the independent variables
E ( y ) = 0 + 1 x1 + 2 x2 + . + k xk is the deterministic p
Sample Final exam C22.0003 Fall 2009
Name:
PLEASE COMPLETE ALL QUESTIONS. And best wishes.
Question 1:
You have completed a study on the sales of Monet paintings, and have regressed Price
in dollars onto natural log of surface area, Top and Mid [which ref
Sample Final Exam: Solutions
Question 2
In this UN data set, female life expectancy in years (lifeexpf) is regressed onto birthrate (birthrat=number of
live births per 1,000 of the population), natural log of doctors (lndocs; where docs=number of doctors
Course Outline Spring 2014
STATUB.0003.02 Regression and Forecasting Models
Meeting Time & Place
Lectures: Monday, Wednesday: 9:30 AM 10:45 AM
Midterm Exam: April 20th, Monday, In Class (9:30 AM 10:45 AM)
Final Exam: May 13th, Wednesday, 8:00AM 9:50AM
Cl
Midterm 1 (Sample)
STATUB.0003 Regression and Forecasting
The length of the exam is 70 min. The exam is closed book and notes, with the following
exception: you are allowed to bring one lettersized onesided page of notes into the exam. You are
also per
Sampling Distributions
(Review)
Parameter & Statistic
Parameter
numerical descriptive measure of a population
It is based on all the observations in the
population, its value is almost always unknown.
Sample Statistic
Numerical descriptive measure of samp
Homework #1 Due April. 1, In Class
STATUB.0003 Regression and Forecasting Models
Homework assignments will be drawn from problems from the text, as well as from other sources.
Some of these will involve data les. All data les will be available on NYU Cla
Homework #5 Due May. 6, In Class
STATUB.0003 Regression and Forecasting Models
Homework assignments will be drawn from problems from the text, as well as from other sources.
Some of these will involve data les. All data les will be available on NYU Class
Homework #4 Due April. 29, In Class
STATUB.0003 Regression and Forecasting Models
Homework assignments will be drawn from problems from the text, as well as from other sources.
Some of these will involve data les. All data les will be available on NYU Cl
Homework #2 Due April. 8, In Class
STATUB.0003 Regression and Forecasting Models
Homework assignments will be drawn from problems from the text, as well as from other sources.
Some of these will involve data les. All data les will be available on NYU Cla