Nolan, SBS 2e Chapter 5 Quiz 2 -
9/15/15, 5:17 PM
Nolan, SBS 2e Chapter 5 Quiz 2 completed
Total score: 15 out of 15, 100%
1. A weight-loss guru is offering free exercise training and diet plans for people who want to participate in
her program. She finds
Chapter 1
*Ordinal variables have rankings as their values.
*Ratio variables have numbers with equal distances between consecutive quantitie
*Nominal variables have categories, or names, as their values.
-Before using a measure in a study, a researcher sh
S2Mx: Variance version of Standard error (for a sample for each sample)
S2My: Variance version of Standard error (for a sample-for each sample)
THESE ARE ADDED TOGETHER TO GET : S2difference
S2pooled: Pooled Variance
-weighted average of 2 variance estima
Regression Ch 16 book notes and questions
Q: Analytical methods in this chapter build on _ to help us to create _ tools.
A: correlation; prediction
Q: We learn how to use1 scale variable to:
A: Predict the outcome on a second scale variable
Q: Regression
Chapter 3 iClicker Questions
1. Since there are many ways to lie with statistics and graphs, it is important
to become a knowledgeable consumer of research. If a college professor is
rated on a scale from 1-5 (1= okay, 2= fair, 3= good, 4= very good, 5=
e
DISTRIBUTIONS &
DISPLAYING DATA
Psych 2220, Ch.2-3
1
Lecture slides on Carmen
Ill typically plan to post copies of lecture slides onto
Carmen within a week after the lecture content in class.
You can (and should):
Actively read the textbook content before
PSYCH 2220 EXAM 1
Format: mostly multiple choice, about 30 questions.
Time: 55 minutes during Mondays typical class time.
Location: here in class.
1
Study Guide
1. Study.
2. Know all the concepts.
3. Know how to do all the math.
4. Choose the correct answ
Welcome to Data
Analysis for Psychology!
Psychology 2220
Instructor: Joseph C. Roberts, Ph.D.
1
Syllabus & Course Details
Textbook: Nolan & Heinzen, (2014). Statistics for the
Behavioral Sciences, 3rd ed. Worth Publishers.
Comments on textbooks: older edi
Ch.5: Sampling &
Probability
.
1
Methods of Selecting a Sample
Reminder: A sample is a subset of some population.
The sample is observable, where the population may not be.
To make a valid inference about the population, the sample must be
representative
Chapter 6:
Q: The building blocks of inferential statistics:
A:
(a) the characteristics of the normal curve;
(b) how to use the normal curve to standardize any variable by using a tool called
the z score; and
(c) the central limit theorem, which, coupled
Chapter 2
Frequency Distributions
Frequency tables
Grouped frequency tables
Histograms
Frequency Polygons
Stem and Leaf Plot
Shapes of Distributions
Normal vs. skewed
1
Distributions
Four different ways to visually describe just
one variable:
Frequen