PSYC60 Equations Randy Section B01 & B07
Mean
=
X =
Range
Z-score
(Population)
=
(Sample)
Solving for X using Z-score
= +
= # #
Pearsons r
=
Inter-quartile Range
+1
4
= 1 3
= 3 1
Mean Absolute Deviation
. . . =
=
Least Squares Regression
=
S
Case Study: Young Professional Magazine
Young Professional magazine was developed for a target audience of recent college graduates who are in
their first 10 years in a business/professional career. In its two years of publication, the magazine has been
f
Group 8
Question 1 (Difference Between Means):
a. Is there a significant difference between drug type in mean relative-change*
of Cholesterol from screening to follow up?
I.
Introduction Provide an overview of the project, the questions that were studied
Group 8
Question 2a
Chi Square Descriptive Statistics
In this question, we examine patient body mass index (BMI) categories of
overweight, normal weight, and underweight in association with cholesterol levels
(here defined as high >200, and normal).
The C
Final Exam
MAT 118, Spring 2013
Name:
Part 1: Multiple Choice
Please select the best answer and bubble in your answer on the scantron sheet.
On July 15, 2004, the Harris Poll released the results of a study asking whether people favored or
opposed abolish
Final Exam Review
Name:
1. Association of measurement variables
1.
2.
3.
Describe the relationship between two variables (measurement v measurement)
Create and interpret scatter plots
identify outliers
Open the dataset SAT by State 06.xls. Construct a sca
DB Topic 2: Statistics in Publications
When reading a journal or newspaper article that cites statistics or presents statistical results, what are
some things that you should consider to assess whether the conclusions are credible? Why?
Summary & Discussi
1) A
2) B
3) D
4) C
5) A
6) A
7) A
8) A
9) D
10) B
11) A
12) D
13) D
14) A
15) D
16) D
17) A
18) A
19) B
20) B
21) A
22) B
23) A
24) B
25) B
26) C
27) B
28) B
29) A
30) D
31) C
32) A
33) B
34) B
35) C
36) B
37) C
38) A
39) D
40) D
41) C
42) A
43) C
44) B
Winter 2017 Biostatistics (Online)
Instructor Comments Quiz 6 Hypothesis Testing (One Sample)
Average score for Quiz 6 = 5.65 (max=7.0)
The following quiz problems were the most difficult for students.
You can see the quiz question by going to my grades i
Quiz 8 - Categorical Data and Least-Squares Regression
Inference
Question 1
0.7 out of 0.7 points
Determine the expected counts for each outcome.
n = 500
Question 2
0.7 out of 0.7 points
Many track runners believe that they have a better chance of winning
Winter 2017 Biostatistics (Online)
Instructor Comments - Quiz 3 Probability and Discrete Probability Distributions
Quiz Average = 6.33 (max=7.0)
The following problems were the most challenging for students on this quiz. You can see the quiz
questions by
Winter 2017 Biostatistics
Quiz 1 - Descriptive Statistics
Average Score = 6.59 (7.00 max)
Comments on commonly missed questions on Quiz 1 are listed below.
You can see the quiz question by going to My Grades in Blackboard.
Problem 1: Answer = Number of it
Last Time
Research Methods
in Psychology
Visual Displays
of Data
Empirical Research Methodologies
Correlational
Method
Experimental
Method
Characteristics of a True Experiment
Manipulation: the experimenter has
manipulated some independent variable to
Announcements
Midterm 1 Materials
Two pages (8.5x11) of notes, both sides,
typed or hand written
Last Time
Statistics as a discipline
Measurement
Basic Terminology
Philosophy of Science
Scale
Nominal
Ordinal
Interval
Ratio
Labels for
observations
Order
Announcements
Midterm 1 Next Thursday
Can have two pages (8.5x11) of notes, both sides,
typed or hand written, any content
Well provide scantron
ANY calculator is fine
As long as it can not communicate with anyone else (e.g.
a cell phone or laptop ca
Psychology 60
Introduction to Psychological Statistics
Drew E. Hoffman
[email protected]
Teaching Assistants
Randy Tran Seulki Suki Kang
Vamshi Gudavarthi Nasim Vahidi Isabel Asp
Today
Class
Organization
Class Organization
Website
Course Materials
Slide
Announcements
Midterm 1 Thursday
Can have two pages (8.5x11) of notes, both sides,
typed or hand written, any content
ANY calculator is fine
Topic List/Formula list available on TritonEd
Midterm 1 is multiple choice (24 questions)
I will have extra
Intro
Statistics: A set of techniques that allows us to characterize and understand a set of data
Variable: A characteristic or property that can take on different values
Three important distinctions
1) descriptive versus Inferential statistics
2) qualita