full2.gif (11401 bytes)
Visual Summary: 
Finding the Area Between Two Z Scores


Before You Begin

Compute the Mean and the Standard Deviation
 

ê

Convert

Convert X1 to a Z Score

Convert X2 to a Z Score

í     ê     î

 

One Z Score Positive
One Z Score Negative

 

Both Z Scores Positive

Both Z Scores Negative

ê     ê     ê

Area Between

(Column 2) + (Column 2)

 

Area Between

(Column 2) - (Column 2)

 

Area Between

(Column 2) - (Column 2)

 


[Top of Page] [News] [FAQ] [Hints]
[Course News] [Course Outline] [Chapter Outlines] [Homework] [Practice Tests] [Dr. Vernoy]

Copyright © 2004 by Mark W. Vernoy