Be able to define and provide examples of: Descriptive statistics Inferential statistics How are they similar and dissimilar? Quantitative data Qualitative data Levels of measurement: be able to give examples of each Nominal Ordinal Interval Ratio Va
PSY230 Formula Reminder/Review Sheet SS =
X
2
( X )
N
2
df = n-1 Population Sample
2
=
SS N
s2 =
SS n 1
=
SS N
s
=
SS n 1
M
=
N
sM
=
s2 n
z=
M
M
=
M
2
t=
N
M sM
=
M s2 n
Formula sheet comparing formulas for populations and samples Chapters 5-9
Chapter 5 Learning Outcomes 1 Chapter 5
z-Scores: Location of Scores in a Distribution
Understand z-score as location in distribution Transform X value into z-score Transform z-score into X value Describe effects of standardizing a distribution Transform
Variability Chapter 4
Variability
Measure of the degree to which the scores in a distribution are spread out or clustered together clustered together Helps describe the distribution Measure of how well an individual score represents the distribution
Thre
Chapter 3
Central Tendency
Central tendency is the concept of developing or defining a SINGLE value that is representative of the distribution What is typical for a large population Not exact Accuracy dictated by the shape of the distribution
Three Main
INDV 101 Section 41: Structure of Mind & Behavior Fall Semester 2008
Instructor: Julie Feldman, Ph.D. Office: Psychology Building 444 Phone: 626-9682 Office Hours: Thursdays before class (10:00-12:00) or by appointment Email: julief@u.arizona.edu D2L cour
ANOVA Hypothesis testing with z, t and F scores - describe the logic of when we reject the null hypothesis f-test: when variance is greater than one t-test: when observed is more extreme than critical Z- test: when observed is more extreme than criti
Study guide for exam 3 Chapters 7 and 8 Psychology 230 - Statistics Spring, 2008 Hypothesis testing with z, and t scores Describe the logic of when we reject the null hypothesis What is the relationship between the observed statistic and critical st
PSYC 230 Final Exam
One-Way ANOVA: means one independent variable o o Independent Variable: (should have at least three levels) each level is a group of subjects Dependent Variable: (only one dependent variable)
What is "within" group variance? o o
Psychology 230: Psychological Measurement and Statistics Lecture Section 001, Spring 2008
Suzanne Delaney Room 111 Chemistry Building 12:30 - 1:45 Tuesdays and Thursdays
My last name starts with a letter somewhere between: A. A - G B. H - O C. P - Z
Compare and contrast descriptive statistics and inferential statistics Compare and contrast quantitative data and qualitative data Define and contrast continuous versus discrete variables Be able to identify the independent variable (IV) and the depe
Hypothesis testing with z, and t scores - describe the logic of when we reject the null hypothesis What is the relationship between the observed statistic and critical statistic Describe the similarities and differences between the z and t sampling d
PHOENIX COLLEGE PSY230 section 11992: Introduction to Statistics Instructor: Jan Binder, M.A., M.Ed.
Course Description: An introduction to basic concepts in descriptive and inferential statistics with emphasis upon application to psychology. Consideratio