James O. Westgard and Paul Schilling

Please note that this is a beta version of this tools: we are making it available at this time for public comment - let us know what you think of them.

QC Plotter

See QC - The Calculations for an explanation and equations for these calculations.
See QC Calculator Problem Set if you want to work with some sample data.

 NOTE: These Javascript Calculators only work on browsers that support Javascript!

Fill these blanks in if you want to print out a hard copy of your data after you enter it
Analyst  
Test  
Control Material  
Units  
Comments  

Control Chart Parameters

Enter the control mean:   
Enter the control standard deviation:  
Enter up to 3 control limits you wish to evaluate 
(enter the multiplier number only, i.e. 2, 3, 3.5, etc.):
   
Number of values along the X axis:
The number of data points you wish to plot 
Plot provided data points (below):   
Plot control chart:  

Control Data

1
11
21
31


Copyright © 2003. All rights reserved.
Westgard QC, Inc., 7614 Gray Fox Trail, Madison WI 53717
Call 608-833-47183 or e-mail us at westgard@westgard.com

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