Graphs, Good and Bad
Chapter 10
Lecture Overview
Tables
Graphs (when to use, how to create, what to look for)
Raw data v. summary tables
Characteristics of good tables
Information from good tables (distribution)
Pie Chart
Bar Chart
Line Graph
Characterist

Data and ethics: Some notes
S100
Indiana University, Fall 2012
These notes do not cover all the material in the course.
conjunction with chapter 7 of Moore & Notz.
Information on human research standards at IU:
http:/www.indiana.edu/~rcr/files/hspt-nbm.pd

Experiments: Some notes
S100
Indiana University, Fall 2012
These notes do not cover all the material in the course.
conjunction with chapters 5 and 6 of Moore & Notz.
Please read these in
Lurking variables and confounding
In an experiment, as in several o

S100 midterm 1 practice 2
1. A study at Yale Medical School investigated treatments for chronic cocaine abusers. Of the
72 subjects, all cocaine users who wanted to quit, 24 were assigned at random to each of
three drugs: (a) desipramine, (b) lithium, (c)

Understanding sample surveys: Some notes
S100
Indiana University, Fall 2012
These notes do not cover all the material in the course.
conjunction with chapters 3 and 4 of Moore & Notz.
Please read these in
Populations and samples
We wish to investigate a c

Midterm regulations
Proof of cheating will result in failure of the course.
You may use a calculator and a dictionary. No other electronic devices are permitted (no
phones, PDAs, or laptops).
Sharing electronic devices during the test is not permitted.

Practice nal solutions
S 100
December 9, 2012
1. (a) Voluntary response means the sample chooses itself by responding to a general appeal.
In such sample, people with strong opinions are more likely to respond. So the survey
is biased toward the beliefs o

Practice nal (a bit short)
S100
Indiana University, Fall 2012
1. A newpaper is considering developing an iPad add, and wishes to know what percentage of
their subscribers own an iPad. They run a voluntary response poll on its website, asking:
Do you have

Practice nal 3
S 100
December 10, 2012
1. A bank has a list of the phone numbers of all its customers, as well as other personal information. The banks managers want to send a questionnaire to a sample of its customers.
They trying to decide whether to us

Data and samples: Some notes
S100
Indiana University, Fall 2012
These notes do not cover all the material in the course.
conjunction with chapters 1 and 2 of Moore & Notz.
Please read these in
Populations and samples
A population is a collection of people

EXAM 1 REVIEW
Ethics
Institutional Review Board = review studies involving human subjects
Informed consent = After hearing what study is about and possible risks to them,
the subject agrees to participate
Confidential = One individuals responses are never

Name: _
S100 Statistical Literacy
Final Exam Practice Questions
Fall 2010
Clearly circle the letter for the most correct answer.
1. If we roll a pair of fair dice and count the number of aces (one dot) showing, the probability
model is as follows:
Count o

More Graphs
Chapter 10 (supplement)
ore Pie Charts
2006 Simon Fraser University Report from President , as cited by Carl Schwartz
(http:/www.stat.sfu.ca/~cschwarz/Stat-301/Handouts/node18.html)
The Weekend Effect
The trendline of the Happiness-Stress
Inde

Displaying Distributions
with Graphs
Chapter 11
Lecture Overview
Review
A distribution is
What type(s) of graph do we use to display
the distribution of categorical variables?
Today
Histograms
Stemplots
Histograms
Used to display the distribution of quant

EXAM 2 Study Guide
Characteristics of good tables (specific title, clear labels, units stated, data source cited)
Characteristics of bad graphs (ambiguity, distortion, distraction)
Chart types/purposes/interpretation/choosing which one to use
Pie chart
Ba

EXAM 1 Study Guide
Population vs Sample vs Individual
Parameter vs Statistic vs Response
Kinds of Studies: Census, Observational Study, Experiment
Sampling Methods
Convenience sample
Voluntary response sample
Probability Sample
Simple random sample & use

Final Exam Study Guide
PART 3
Probability
Personal Probability
Relative-Frequency Interpretation
4 Rules
Random Trials
Trial
Independence
Random
Law of averages
Counts v. Proportions
Sampling distributions
Sample proportions Under conditions: Normal with

Name: _ Date: _
Instructions: Circle the correct answer. (4 points each)
1. Your statistics recitation has 30 students. You want to call an SRS of 5 students from
your recitation to ask where they use a computer for the online exercises. You start
labelin

Name: _
S100 Statistical Literacy
Practice Exam 2: Chapters 10-15
Fall 2010
Clearly circle the letter for your answer. (4 points each) NO CREDIT WILL BE GIVEN FOR
ANSWERS WRITTEN NEXT TO THE QUESTION!
1. A company database contains the following informati

Practice nal 4
S 100
December 11, 2012
1. Organic Gardening magazine, describing how to improve your gardens soil, said, Since a
6-inch layer of soil in a 100-square-foot plot weights about 45,000 pounds, adding 230 pounds
of compost will give you an inst