Stat 651 (Winter 2011)
Kaizar
Homework 4
Due by 5:00pm, Friday February 11.
To receive credit please follow the instructions given in the syllabus. All numbered problems are
from the course textbook.
Reading: Lohr, Chapter 4, sections 1-5
Exercises
1. For
Stat 651 (Winter 2011)
Kaizar
Homework 1 Solutions
40 points total
Exercises
1. Lohr, Chapter 1 problem 4 (10 points)
target population: all Maricopa County residents eligible for jury duty (18 years old, no
felony record, or other disqualifying conditio
Stat 651 (Winter 2011)
Kaizar
Homework 1
Due by 5:00pm, Friday January 14.
To receive credit please follow the instructions given in the syllabus. All numbered problems are
from the course textbook.
Reading: Lohr, Chapter 1
Exercises
1. Lohr, Chapter 1 pr
b ooks.dat Data from homeowners survey to estimate total number of books,
used in Exercise 8 of Chapter 5.
Column
1
2
3
4
5
Name
shelf
Mi
number
purchase
replace
Value
shelf number
total number of books on that shelf (= Mi )
number of the book selected
pu
agsrs.dat Data from an SRS of size 300 from the U.S. 1992 Census of Agriculture.
In columns 3-14, the value -99 denotes missing data.
Column
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Name
county
state
acres92
acres87
acres82
farms92
farms87
farms82
largef92
lar
Stat 651 (Winter 2011)
Kaizar
Homework 2
Due by 5:00pm, Friday January 21.
To receive credit please follow the instructions given in the syllabus. All numbered problems are
from the course textbook.
Reading: Lohr, Chapter 2, sections 1-3
Exercises
1. A re
Stat 651 (Winter 2011)
Kaizar
Homework 3
Due by 5:00pm, Friday January 28.
To receive credit please follow the instructions given in the syllabus. All numbered problems are
from the course textbook.
Reading: Lohr, Chapter 2, Chapter 3.1-3.2
Exercises
1. L
Stat 651 (Winter 2011)
Kaizar
Homework 2 Solutions
40 points total
Exercises
1. (6 points) This question has many problems.
I rst assume that the researcher has already determined that the respondent owns a
vehicle. Even so, the question wording still co
Statistics 651: Survey Sampling Methods
Winter 2011
Practice Problems for Exam 2 Solutions
1. Nursery Workers
(a) This is stratied random sampling followed by a single stage cluster sample.
The probability that any one worker is selected can be calculated
Stat 651 (Winter 2011)
Kaizar
Practice Problems for Exam 2
Exercises with solutions
1. A researcher is trying to estimate the proportion of workers at plant nurseries that are female
in a selected number of states (FL, IN, MI, OH, DE, RI, TN, AZ). Her sam
journal.dat Types of sampling used for articles in a sample of journals. Source:
Jacoby, J. and Handlin, A. H. (1991). Non-probability sampling designs for litigation
surveys. Trademark Reporter, 81, 169179.
Note that columns 2 and 3 do not always sum to
Stat 651 (Winter 2011)
Kaizar
Homework 6
Due by 5:00pm, Friday, March 11.
To receive credit please follow the instructions given in the syllabus. All numbered problems are
from the course textbook.
Reading: Lohr, Chapter 8
Exercises
1. Chapter 8, question
Stat 651 (Winter 2011)
Kaizar
Homework 5
Due by 5:00pm, Monday February 21.
To receive credit please follow the instructions given in the syllabus. All numbered problems are
from the course textbook.
Reading: Lohr, Chapter 5, sections 1-5
Exercises
1. Cha
Statistics 651
Survey Sampling Methods
Winter 2011
Instructor:
Dr. Elly Kaizar
221 Cockins Hall
[email protected]
Oce Hours: Thursday 10:00am - 10:48am and by appointment.
I encourage you to email me short questions, and
to also use email to propose me
Categorical Data Analysis
Lecture 16
STAT 651: Survey Sampling Methods, Kaizar p.1/14
Lecture 16: Categorical Data Analysis
Reading: Lohr Chapter 10
Motivating Example
Introduction to Tables
Measures of Association
Testing for Association
STAT 651: Survey
Introduction to Simple Random
Sampling
Lecture 4
STAT 651: Survey Sampling Methods, Kaizar p.1/13
Lecture 4:
Introduction to Simple Random Sampling
Reading: Lohr Chapter 2, sections 1, 2 and 3
Set-up/Notation
Kinds of Sampling
Sampling schemes that result
Stat 651 Survey Sampling Methods
Winter 2011
Elly Kaizar
Department of Statistics, 221 Cockins Hall
[email protected]
Web page:
http:/www.stat.osu.edu/ekaizar/courses/651/
Graduate Interdisciplinary Specialization in Survey Research
Coordinator: Gerald
Stat 651 (Winter 2011)
Kaizar
Homework 5 Solutions
40 points total
Exercises
1. (10 points) Chapter 5, question 2
(a) Cluster sampling is when you divide the population of interest into groups, and then only
sample some of those groups. In this case, the
Stat 651 (Winter 2011)
Kaizar
Homework 4 Solutions
40 points total
Exercises
1. (9 points)
(a) I can take a SRS of the chickens. I nd the total weight (with the bones and fat and
skin) of each of the sampled chickens, which I denote xi . I also nd the use
Stat 651 (Winter 2011)
Kaizar
Homework 3 Extra Problems Solutions
Exercises
1. Lohr, Chapter 3 problem 22
2
h
(a) Recall that Sh = NN1 p(1 p). Since we are considering the population of Milwaukee, it
h
2
h
is reasonable to assume that NN1 1, and so Sh p(1