Chapter 1 : Standard Deviation.

The Chapter on Standard Deviation has 3 lessons.

Lesson 1.1: Standard Deviation for ungrouped data.

A.Definition
http://coolmathwithkhan.blogspot.com/2012/01/11-part-definition-of-standard.html

B.Formula
http://coolmathwithkhan.blogspot.com/2012/01/11-part-b-formula.html

Lesson 1.2: Standard deviation for grouped data.

A.Definition
http://coolmathwithkhan.blogspot.com/2012/01/lesson-12-part-introduction-to-grouped.html

B.Formula
http://coolmathwithkhan.blogspot.com/2012/01/lesson-12-part-b-formula.html

C.Using a calculator to calculate Mean and Standard Deviation.
http://coolmathwithkhan.blogspot.com/2012/01/12-calculating-mean-and-standard.html

Lesson 1.3: Comparison of two data sets for Mean and Standard Deviation.
http://coolmathwithkhan.blogspot.com/2012/01/lesson-13-comparison-of-mean-and.html


End of Chapter 1.