Sabrina Tran
ECO 230
2/9/17
Professor Yildiz
A. Based on what I could acquire through the first graph, we know that the number of
homicide cases in 2001 was 667 and the number of homicide cases in 201
ECO 230
Economic Statistics
Nee Yldz
Spring 2017
Homework 9
1) An ad agency has developed a TV ad for the introduction of a toothpaste. The objective
of the ad is to create brand awareness. The effect
Term Paper Guidelines
Economics 231W
University of Rochester
Prof. Ronni Pavan
Fall 2017
Purpose
As noted in the syllabus, a written term paper is a course requirement. The purpose of this project is
ECO 231W
Supplementary Exercises 10
Empirical Exercise
This section is focused on helping you understand how to implement fixed and random effects
estimation in Stata, as well as how to perform a Haus
Term Paper - Data Codebook
Economics 231W
University of Rochester
Prof. Ronni Pavan
Variables and Description
The dataset, ECO231W substance.dta, contains high school and substance abuse outcomes for
How to tackle a question like a boss
NOTE: answer a question by asking another question.
Something caused
Situation
Choice
Benefits
costs
When B>C, right choice | When B<C wrong choice
(CONSQUENCES)
C
Theory1: Legislation is what's written on paper, Law is what people agree on.
The rule of law: the idea when the society agree on setting the dispute with one another
Legislation is just the one we wr
Reflection
Reflection on ECO 108 -Date: September 28, 2017
General outline: the twelve lessons:
1) People respond to incentives
a. Throwing money example
b. Ships and Capitan as an example
2) There ar
Theory1: Income inequality can be thought of as the income inequality between the employees of the same firm or the
income inequality between two firms of the same industry. Income inequality between
ONE
Story: people back in 1800 had 6 children per family. Fertility rate was so high. Today, in the UK, it's below replacement rate
which is two per family.
Theory: as the richer we get, the less chil
ASSIGNMENT 1
FIN 205
Corporation Finance
Fall 2017
DUE: Tuesday, September 19th at the beginning of class
You may in a group of up to 4 on this Assignment. Please indicate clearly on all
submitted Ass
ASSIGNMENT 2
FIN 205
Spring 2017
DUE: Thursday, October 12th at the beginning of class
You may in a group of up to 4 on this Assignment. Please indicate clearly on all
submitted Assignments who the me
ECON 231W
Supplementary Exercises 5
Exercise 1.
You have collected data on the prices of diamonds at an online retailer (you can assume its a random
sample). In particular, you have the price (price)
Econ 231W
Section 4
Exercise 1
Suppose that a researcher, using data on class size (CS) and average test scores from 100 third-grade
classes, estimates the OLS regression
\ = 520.4 5.82 CS
T estScore
ECON 231W
Supplementary Exercises 3
Exercise 1. You want to estimate a parameter 0 (so 0 is the true value of the parameter you are
We defined the Mean Squared Error of the estimator as
estimating) a
STT-277
Class Exercise
SAS 1
(Maybe) Your First SAS Program
1. Start SAS and activate the Editor pane.
2. Enter the following into the editor.
data example1;
input it
Problem Set 1
ECON 231W - Fall 2017
Due before recitation Friday September 15 at 12:30.
You can:
Type it in Latex and send a pdf file to the TAs by email
drop it off in the TA mailboxes located next
Problem Set 5
ECON 231W Fall 2017
Due Friday November 10 before recitation.
You can:
Type it in Latex and send a pdf file to the TAs by email
drop it off in the TA mailboxes located next to the smal
Problem Set 4
ECON 231W
Due before Recitation Friday, October 20
You can:
Type it in Latex and send a pdf file to the TAs by email
drop it off in the TA mailboxes located next to the small room 235
Unit 2
Describing Data: Numerical
Describing Data Numerically
Describing Data Numerically
Central Tendency
Variation
Arithmetic Mean
Range
Median
Interquartile Range
Mode
Variance
Standard Deviation
C
Unit 4
Discrete Random Variables and
Probability Distributions
Random Variables
Random Variable
Represents a possible numerical value from
a random experiment
Random
Variables
Unit 4
Discrete
Random
Unit 3
Probability
Random Experiment
Random Experiment a process leading to an
uncertain outcome
Example
roll a die
pick a card
toss a coin
Basic Outcome
Basic Outcome a possible outcome of a
random e
Unit 5
Continuous Random Variables
and Probability Distributions
Probability Distributions
Probability
Distributions
Unit 4
Discrete
Probability
Distributions
Continuous
Probability
Distributions
Bino
Unit 6
Sampling and
Sampling Distributions
Introduction
Descriptive statistics
Collecting, presenting, and describing data
Inferential statistics
Drawing conclusions and/or making decisions
concerning
Unit 10
Hypothesis Testing:
Additional Topics
Two Sample Tests
Two Sample Tests
Population
Means,
Dependent
Samples
Population
Means,
Independent
Samples
Population
Proportions
Examples:
Same group
be
Unit 9
Hypothesis Testing:
Single Population
Concepts of Hypothesis Testing
A hypothesis is a claim
(assumption) about a
population parameter:
population mean
Example: The mean monthly cell phone bill