CLASS III
The Normal Curve
http:/bcs.whfreeman.com/ips4e/cat_010
/applets/normalcurve.html
Today, well be talking about probability,
Key concept: the probability distribution
The binomial probability for
obtaining r successes in N
trials is:
= 0.5
What i
CLASS X
Bivariate Association I
BIVARIATE ASSOCIATION: VOCABULARY
Bivariate means involving two variables
Lets call them A and B
A and B are associated if knowing the value of A
helps you to know the value of B (and vice versa)
Equivalent vocabulary:
A a
Class 1 Practice Problems
Problem 1
Below are a series of statistics from a recent World Bank fact sheet regarding poverty. Please
answer each of the parts of the following two questions:
(1)
The figures present the various sources of external finance to
P11.1011 Statistical Methods for Public, Nonprofit, and Health Management
Students name:
_
Mailbox number:
_
Homework Class 2
1. Below are listed the rates of abortion per 100,000 women for 20 states in 1973 and
1975. Describe what happened to these distr
P11.1011 Statistical Methods for Public, Nonprofit, and Health Management
Students name:
_
Mailbox number:
_
Homework Class 1
1. For these variables in the General Social Survey (see Appendix G of the Healey
text), indicate the level of measurement (nomin
CLASS IX
Hypothesis Testing III
Analysis of Variance
Where were headed: Bivariate relationships
Well be talking about bivariate relationships
over the next several weeks
Bivariate = two variables
Well practice identifying the variables and the
values of
CLASS II
Central Tendency
and Dispersion
Central Tendency and Dispersion
911 Response times in three precincts
Measures of Central Tendency
Univariate descriptive statistics
Summarize information about the most typical,
central, or common scores of a var
PLEASE FILL THIS IN ELECTRONICALLY, WITHIN THE SPACE PROVIDED
BRING THIS FORM TO THE FIRST DAY OF CLASS
STAT 1 STUDENT INFORMATION FORM
Last name
First name
Name that youd like to be called in class (for example your nickname)
Preferred email address:
Hav
CLASS IV
Samples and
the Sampling Distribution
Topic 1.
Samples
Problem: The
populations we wish
to study are almost
always so large that
we are unable to
gather information
from every case.
CLASS V
Estimation
First, a review of
Important things from prior classes
The central problem of statistics
We want to know
about a population
PARAMETER
All weve got is one
sample
We must use that
sample to make
inferences about
the population
STATISTIC
CLASS VI
Hypothesis Testing I
Where we are
Descriptive statistics
Skills
Normal curve
Sampling distribution
Inferential statistics
Estimation
Hypothesis testing with means
1-sample
2-sample
2+ sample
More hypothesis testing, etc .
Case study: Patient cos
STAT 1 MIDTERM EXAMINATION
FALL 2011
INSTRUCTIONS
Please show the formulas that you use, and show all of your calculations.
For all problems, use an alpha level of .05, unless indicated otherwise.
Express all probabilities as proportions.
Use the rounding
Bivariate regression and correlation
Bivariate Association II
Bivariate Association: Where we are
Bivariate = two variables
Last class: association between 2
grouped variables (chi square)
This class: association between 2
continuous variables
Part 1: Re
CLASS I
Introduction to
Descriptive Statistics
Class 1: What well be
discussing
Course basics
Descriptive vs. inferential statistics
Levels of measurement
Application: descriptive statistics
using numbers, tables, graphics
Practice Problems
Course Bas
CLASS VII
Hypothesis Testing II
To compare two samples, we use the sampling
distribution of the difference of the two
sample statistics
Sampling distribution of
the difference of means
Sampling distribution of the
difference of proportions
JB
Sample
stati
P11.1011 Statistical Methods for Public, Nonprofit, and Health Management
Students name:
_
Mailbox number:
_
Homework Class 3
1. Assume that the distribution of a college entrance exam is normal with a mean of
500 and a standard deviation of 100. For each
NEW YORK UNIVERSITY
ROBERT F. WAGNER GRADUATE SCHOOL OF PUBLIC SERVICE
Course Syllabus
Spring 2016
Statistical Methods for Public, Nonprofit, and Health Management
Section
Format
Day
Begin
End
Building
Rm#
Instructor
001
Lecture
Tue
6:45 PM
8:40 PM
Silver
CLASS XIII
Controlling for Other Variables
Association versus Causation
Storks and Births
Births
30
20
10
0
0
2
4
6
Storks
8
10
What happens to the X Y association
when we consider X2?
When X2 is introduced1, there are three possible
effects on the X Y as
CLASS XIV
Regression with
Dummy Variables
Rules for Xs in multiple regression
Continuous variables are OK
Dummy variables are OK
Grouped variables with > 2 values are NOT
OK
Today well have much more to say about
dummy variables in multiple regression.
STAT 1 MIDTERM EXAMINATION
SPRING 2011
ANSWER KEY Note that answers appear in BOLD
INSTRUCTIONS
Please show the formulas that you use, and show all of your calculations.
For hypothesis testing questions, show the five steps that you use in arriving at you
STAT 1 MIDTERM EXAMINATION
SPRING 2011
INSTRUCTIONS
Please show the formulas that you use, and show all of your calculations.
For hypothesis testing questions, show the five steps that you use in arriving at your
conclusion, and state your conclusion in c
STAT 1 MIDTERM EXAMINATION
FALL 2011
INSTRUCTIONS
Please show the formulas that you use, and show all of your calculations.
For all problems, use an alpha level of .05, unless indicated otherwise.
Express all probabilities as proportions.
Use the rounding
Class 1 Practice Problems
Problem 1
Below are a series of statistics from a recent World Bank fact sheet regarding poverty. Please
answer each of the parts of the following two questions:
(1)
The figures present the various sources of external finance to
STAT 1 MIDTERM EXAMINATION
FALL 2012
iNSTRUCTIONS
Please show the formulas that you use, and show all of your calculations.
For all problems, use an alpha level of .05, unless indicated othemrise.
Express all probabilities as proportions.
Use the rounding
Notes
Democratic Transitions
Matt Golder & Sona Golder
Pennsylvania State University
266
Principles of Comparative Politics
Authoritarian elites occasionally introduce liberalization policies. The goal of these
policies is frequently the stabilization o
Notes
Democracy or Dictatorship: Does It Make a
Dierence?
Matt Golder & Sona Golder
Pennsylvania State University
Material Well-Being
Notes
Does regime type make a dierence to material well-being?
Material Well-Being
Notes
Does regime type make a dierence
Notes
What is Comparative Politics?
Matt Golder & Sona Golder
Pennsylvania State University
What is Comparative Politics?
Notes
Comparative politics is a subeld of political science.
Three denitions of comparative politics:
1
The study of political phenom
Notes
What is Politics?
Matt Golder & Sona Golder
Pennsylvania State University
What is Politics?
Notes
Politics is the subset of human behavior that involves the use of power or
inuence.
Power is involved whenever individuals cannot accomplish their goal
Notes
Problems with Group Decision Making
Matt Golder & Sona Golder
Pennsylvania State University
Evaluation
Notes
There are two ways of evaluating political systems.
1
Consequentialist ethics evaluate actions, policies, or institutions in regard
to the o