chapter3

# chapter3 - Chapter 3 Central Tendency PowerPoint Lecture...

This preview shows pages 1–11. Sign up to view the full content.

Chapter 3 Central Tendency PowerPoint Lecture Slides Essentials of Statistics for the Behavioral Sciences Seventh Edition by Frederick J Gravetter and Larry B. Wallnau

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Learning Outcomes
Concepts to review Summation notation Frequency distributions

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
3.1 Overview of central tendency Central tendency A statistical measure A single score to define the center of a distribution Purpose: find the single score that is most typical or best represents the entire group
Figure 3.1 What is the “center” of each distribution?

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
3.2 The Mean The mean is the sum of all the scores divided by the number of scores in the data. N X = μ n X M =
The Mean: Three definitions Sum of the scores divided by the number of scores in the data The amount each individual receives when the total is divided equally among all the individuals in the distribution The balance point for the distribution

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Figure 3.2
Figure 3.3

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Combine two sets of scores Three steps: Determine the combined sum of all the scores Determine the combined number of scores
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 40

chapter3 - Chapter 3 Central Tendency PowerPoint Lecture...

This preview shows document pages 1 - 11. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online