Chapter 2

1/18/01


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Table of Contents

Chapter 2

“Typical” or Average scores

Connecting Variables and “Typical” Scores

Calculating the Mean

A suggestion...

Median= the Middle score

Mode= Most Frequent

Spread of Distribution

Range

Variance = SD ?

Variance Example: Try this!

Example Calculated-- Did you get this?

Standard Deviation

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Z-scores

Z-scores…what do they mean?

Z score formula

Example of Z Scores

A suggestion...

Another example

Quantitative vs. Qualitative Data

Summary of Ch 2

Author: pcuser

Home Page: http://www.mtholyoke.edu/courses/bpackard/stats/