Topic 9: Measures of Spread

Important Points (Word Document add your own notes and save if you wish)

Data Files you will need for this assignment can be found on a
link from the STAT200 Main page

 

Preliminaries

Pages 159 - 160: 1 - 3
In-Class Activities Pages 161 - 175: 1- 6
Homework Activities Pages 176 - 183: 7, 11, 14, 18, 25

Here is a pictoral example of the empirical rule broken up into Standard deviation divisions.

normal

Note: Do not Round answers until you reach the end of a problem - rounding errors will accumulate quickly in Statistics