'Ratio variables' diaporamas de présentation

Variables

Variables. 9/12/2013. Readings. Chapter 2 Measuring and Describing Variables (Pollock) (pp.32-33 ) Chapter 2 Descriptive Statistics (Pollock Workbook). Exam 1 9/19. Exam 1 9/19 In class exam. You do not need an exam book You can use a basic calculator.

628 views • 48 slides

Thursday August 22, 2013

Thursday August 22, 2013. Course Overview, Frequency Distributions, & Review of SPSS Data Entry. Brief Overview: Where are we Headed in PSY 340?. How is this course different from PSY 138? Format: Longer lectures, but no separate lab times Content: review of PSY 138 and beyond

487 views • 48 slides

Significance Testing

Significance Testing. 10/15/2013. Readings. Chapter 3 Proposing Explanations, Framing Hypotheses, and Making Comparisons (Pollock) (pp. 58-76) Chapter 5 Making Controlled Comparisons (Pollock) Chapter 4 Making Comparisons (Pollock Workbook) . Homework and Exams. Homework 3 due today

549 views • 37 slides

Agenda

411 views • 24 slides

CHAPTER 4

CHAPTER 4 . Measures of Dispersion. In This Presentation. Measures of dispersion. You will learn Basic Concepts How to compute and interpret the Range (R) and the standard deviation (s) . The Concept of Dispersion. Dispersion = variety, diversity, amount of variation between scores.

638 views • 15 slides

Cross-Tabulation Analysis; Making Comparisons; Controlled Comparisons June 2, 2008

Cross-Tabulation Analysis; Making Comparisons; Controlled Comparisons June 2, 2008. Ivan Katchanovski , Ph.D. POL 242Y-Y. Cross-Tabulation. Cross-tabulation: A method of hypotheses testing Very common Very simple Bivariate analysis

1.27k views • 14 slides

Ch 3 Central Tendency

Ch 3 Central Tendency. ????????. Central Tendency ????. ????????? ?????????? ??? Mean ( ) ??? Median ?? Mode. Mean ???. The most commonly used measure of central tendency. Formula: or

282 views • 14 slides

Chapter 5 Measures of Variability

Chapter 5 Measures of Variability. The importance of measuring variability IQV (index of qualitative variation) The range IQR (inter-quartile range) Variance Standard deviation Considerations for choosing a measure of variation. The Importance of Measuring Variability.

1.42k views • 12 slides

Data Lab # 2 Descriptive Statistics May 28, 2008

Data Lab # 2 Descriptive Statistics May 28, 2008. Ivan Katchanovski , Ph.D. POL 242Y-Y. Measures of Central Tendency: The Mode. The mode is the only measure of central tendency for nominal variables The mode can also be found for ordinal and interval-ratio variables

188 views • 10 slides