Sampling Distribution
1.
4.5 Problems
Scores on a standardized exam are assumed to follow a normal distribution,
with a mean of 100 and standard deviation of 32.
a. If a simple random sample of 5 exams is selected, what is the mean exam
score? What is the
Chapter 9 Review
0 Interim nancial statements are nancial statements prepared during the course of a
hospitals scal year.
0 Important managerial decisions are made during the course of the scal year that
requires the kinds or information provided by month
Survey Research Methods
What makes a survey a survey?
Scientific methodology
Data collection from an individual
Usually samples from a large population
Conducted for the purpose of . . .
Description
Exploration
Explanation
4
Characteristics of Good Su
Judy Layzer
11.007 Day 14 Notes: Congressional Decision Making
During the first half of the semester, we focused on why there is so much deep
disagreement among participants in public policy disputes: Although they use the same
words to describe their goa
Spring 2007
14.44-14.444
Problem Set 3
Due March 2, 2007
1. a. What is the difference (conceptually) between the short run price and income
elasticities of the demand for gasoline and the long run price and income elasticities of
the demand for gasoline
Problem Set #1
14.41 Public Economics
DUE: September 24, 2010
1
Question One
For each of the examples below, please answer the following:
1. Does an externality exist? If so, classify the externality as positive/negative (or both).
2. If an externality ex
11.368 - Reaction Paper 8
I thought that this week's readings were great! I have never taken the time to read about free trade and its
consequences for human rights and environmental stewardship. The Clapp book was especially
enlightening, but I think tha
What ConstitutesOther?
IF
Diarrhoeal diseases account for 29%
Malaria for 10%
Neuropsychiatric disorders 6%
Intestinal nematode infections 1.5%
THEN
Other water related illnesses must be some part of the
remaining 19%
Ischaemic heart diseases (Hg,)
Childh
1
Revealed Preference and Consumer Welfare
We have to date been applying an axiomatic approach to characterizing consumer choice,
based on the ve axioms given in Lecture 3.
But there is an approach to assessing utility that requires even fewer assumptio
How studies compare
CaseControl
Cohort
Crosssection
Longitudinal
OR*
OR
CIRIDR
OR
OR
Trend
Measureof
association
Temporal
relationships
Possible
Easy
Possiblewith
difficulty
Possible
Multiple
associations
Onedisease,
manyexposures
Bothexposure
anddisease
Cohort Study
Submitted By: Melissa Dodson, January 25, 2015
Article Citation in APA format:
Beelen, R., Hoek, G., Van Den Brandt, P., Goldbohm, R., Fischer, P., Schouten, L., et al.
(2008). Long-term effects of traffic-related air pollution on mortality i
Class Statistics: Demographics
N
=24 (2 missing); n = 22
2 Men
20 Women
Previous
Statistics Classes
3 students have no experience
18 students have had some experience
1 student did not answer
Class Statistics
Anxiety
about Statistics
1 (No Anxiety) to 5
Complete an analysis table of question(s)
Question:
1.
Association
between INH
resistance and
patients
characteristics
Dependent
Outcome
Variable
MDR and
Isoniazid
Resistant
Level of
Measurement
Nominal
- Yes
- No
Independent
Variable
Sex
Age
Site
TB cont
Chapter3,PartI:Probability
LabProblems
1
1. JayZisaresearcherattheCDC.Hehasbeencollectingdataonadultswith
differentstagesofthroatcanceroverthepastyear.
Disease Stage
II
III
IV
Age (years)
I
18 39
70
55
40
32
40 59
10
31
45
51
60+
5
12
48
84
a. What propor
Article Assignment
Study of Diseases Such as Tuberculosis and HIV in Africa
1.
Type of study design:
The type of study design used in this study is cross sectional surveys.
2.
Why was study conducted?
The study was conducted because Africa is known as one
Chapter 3, Part 2: Normal Distribution and Z
Lab Problems
1
1. Robert De Niro administered a standardized measure of eating habits to
children. Higher scores indicate better eating habits on this measure. This
measure has a mean of 43 and a standard devia
1
Chapter 4: Sampling Distributions
Lab Problems
1) Vivien Leigh is interested in studying health risk behaviors among all
adolescents attending Goober High School. On a measure of health risk
behaviors, all of these adolescents had a mean of 120 and a st
Chapter 5: Statistical Inference
Lab Problems
1
We measured the mean LDL cholesterol levels of 20 GSU graduate students. Their
mean LDL cholesterol levels were 90 mg/dL, with a standard deviation of 2.5.
Construct a 95% confidence interval for the mean LD
1
Chapter 3, Part I: Probability
Lab Problems
1. Jay-Z is a researcher at the CDC. He has been collecting data on adults
with different stages of throat cancer over the past year. (This is Ch. 3,
prob 7).
Disease Stage
Age
(years)
I
II
III
IV
18 39
70
55
PH 7011
Answers to Assignment 1
Due: October 9, 2013
1. Prevalence Incidence
a. Point prevalence on January 1
b. Point prevalence on December 31
c. Period prevalence from January 1 to December 31
d. Incidence proportion from January 1 to December 31
2. Ra
The Two Cities
Mexico City
Santiago
Population
18 million
(18% of national)
5.5 million
(40% of national)
Urbanized area
1,500 km2
600 km2
Density
(pop./ km2 )
12,000 (center)
2,700 (periphery)
11,000 (center)
~3,000 (periphery)
GDP/Capita (US$)
$7,750 (2