Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221
Spring 2017
Comprehensive Project Survey Data Analysis
With a group of about 4 people, you will write a statistically based report about a particular topic
in the class
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Name: Nick Achtmann
Student Number: 1167359
SOC/STAT/CSSS 221: Statistical Concepts and Methods for the Social Sciences
*Homework Assignment 3*
Please use this form to record your answers and include
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Name: Nick Achtmann
Student Number: 1167359
SOC/STAT/CSSS 221: Statistical Concepts and Methods for the Social Sciences
*Homework Assignment 5*
Please use this form to record your answers and include
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Name: _
Student Number: _
SOC/STAT/CSSS 221: Statistical Concepts and Methods for the Social Sciences
*Homework Assignment 1*
Please use this form to record your answers and include any work that you
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Name: Nick Achtmann
Student Number:1167359
SOC/STAT/CSSS 221: Statistical Concepts and Methods for the Social Sciences
*Homework Assignment 4*
Please use this form to record your answers and include a
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
101016
Stat 220
Homework 2
1. a) We should NOT choose an SRS of 4,000 from 7,000 students who want basketball tickets,
because it should be first come first served for the number of student
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
11716
Stat 220
Homework 6
1a) The subject has a 35/50 (7/10) chance of being assigned to Treatment A, since the SRS of 35
is being taken out of the 50 subjects total, which is reduced down
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
10216
Ranjini Grove
Homework 1
1. (a) The fraction of admitted female applicants is 20/70.
(b) The two percent we should compare in order is 17/50 which is 34% for males and 8/20
which is 4
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
112816
Stat 220
Homework 9
1a) There are 50,000 (households) tickets in the box. Each ticket will have a value that represents
the average number of TV sets owned by each household. The sta
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
10216
Ranjini Grove
Homework 1
1. (a) The fraction of admitted female applicants is 20/70.
(b) The two percent we should compare in order is 17/50 which is 34% for males and 8/20
which is 4
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
112116
Stat 220
Homework 8
1A) The box is 1 and 0. The total of the box is 50,000 (household) tickets. Each ticket will have
a value that represents a person age 16 or ever, totaling to 400
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
102416
Stat 220
Homework 4
1a) Variable 1: the 8 possible colleges/universities in Washington state. The possible values are
schools like UW Seattle or Bothell, or Western or Eastern Washin
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
103116
Stat 220
Homework 5
1a) When you convert each height to feet:
Mean: 4 feet. Median: 3.8 feet SD 0.2 feet SIQR: 0.125 feet
b) When each child grows 2 inches:
Mean: 50 inches (4.1
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Name: Nick Achtmann
Student Number: 1167359
SOC/STAT/CSSS 221: Statistical Concepts and Methods for the Social Sciences
*Homework Assignment 2*
Please use this form to record your answers and include
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Name: Nick Achtmann
Student Number: 1167359
SOC/STAT/CSSS 221: Statistical Concepts and Methods for the Social Sciences
*Homework Assignment 6*
Please use this form to record your answers and include
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
Homework 6
Complete the following questions. Be sure to complete all parts of each question. Remember to
show your work, legibly, for possibility of partial
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
Homework 2
Complete the following questions. Be sure to complete all parts of each question. Remember to
show your work, legibly, for possibility of partial
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
Homework 4
Complete the following questions. Be sure to complete all parts of each question. Remember to
show your work, legibly, for possibility of partial
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
Homework 7
Complete the following questions. Be sure to complete all parts of each question. Remember to
show your work, legibly, for possibility of partial
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
Homework 9
Complete the following questions. Be sure to complete all parts of each question. Remember to
show your work, legibly, for possibility of partial
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
Homework 3
Complete the following questions. Be sure to complete all parts of each question. Remember to
show your work, legibly, for possibility of partial
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
Homework 5
Complete the following questions. Be sure to complete all parts of each question. Remember to
show your work, legibly, for possibility of partial
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
Homework 1
1. Complete the survey interview with 4 undergraduates at the University of Washington.
2. If your last name (family name) begins with the letters
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
Homework 8
Complete the following questions. Be sure to complete all parts of each question. Remember to
show your work, legibly, for possibility of partial
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Statistical Concepts and Methods
for the Social Sciences
Spring 2017
Classroom:
Savery Hall 260
Dates/Time:
Monday, Wednesday, Friday 9:3010:20 AM
Instructor:
Nathalie
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
QUIZ 7
May 25, 2017
1. Which of the following is an example of a matched pairs design?
a) A teacher compares the pretest and posttest scores of students.
b)
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
SOCIOLOGY/STATISTICS/CSSS 221:
Spring 2017
QUIZ 6
May 18, 2017
1. In formulating hypotheses for a statistical test of significance, the null hypothesis is often
a) a statement about the population tha
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
111416
Stat 220
Homework 7
1a) 4 children: (b x h / 2). Base is 125 90 = 35. Height is 1/35 because area is always 1.
2 children: Base is 112 90 = 22. 22/2 = 11. The other part
4 children:
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Vyvy Bui
101716
Stat 220
Homework 3
1a) The values are:
a1 = 10 pilots (total drug users)
a2 = 9 pilots (drug users who fail the test)
a3 = 990 pilots (clean pilots total)
a4 = 99 pilots (clean pilo
Statistical Concepts and Methods for the Social Sciences
STATS 221

Fall 2012
Chapter 10
Introducing Probability
What are the chances?
We talk loosely about chances all the time.
What are the chances of
getting an A in this course?
getting that job?
rain today?
winning in the l