StATS: Team exercise to illustrate ANOM calculations (created 2007-02-28)

I am in charge of a workshop for the American Society for Andrology for their 32nd Annual Conference in Tampa Florida. This society holds a laboratory workshop every year, and this year, it is being split into two workshops:

I will be teaching the afternoon workshop along with Dr. Steven Schrader. Some brief details about both classes are on the web:

I am developing some material for this class, including a team exercise. Some additional material will come from

though I will shorten this section and add material about Analysis of Means (ANOM). Some preliminary weblog entries about ANOM are

I want to use some published examples of control charts, and some possible journal articles that I might want to review include

I want to review the Xbar and S charts, and some simple formulas for these charts can be found at

I'll be putting all of this material together in the next couple of days.

A table of constants for the XBAR-S charts

 n A3    B3    B4
 2 2.659 0     3.267
 3 1.954 0     2.568
 4 1.628 0     2.266
 5 1.427 0     2.089
 6 1.287 0.030 1.970
 7 1.182 0.118 1.882
 8 1.099 0.185 1.815
 9 1.032 0.239 1.761
10 0.975 0.284 1.716
11 0.927 0.321 1.679
12 0.886 0.354 1.646
13 0.850 0.382 1.618
14 0.817 0.406 1.594
15 0.789 0.428 1.572
16 0.763 0.448 1.552
17 0.739 0.466 1.534
18 0.718 0.482 1.518
19 0.698 0.497 1.503
20 0.680 0.510 1.490
21 0.663 0.523 1.477
22 0.647 0.534 1.466
23 0.633 0.545 1.455
24 0.619 0.555 1.455
25 0.606 0.565 1.435

can be found at

This page was written by Steve Simon while working at Children's Mercy Hospital. Although I do not hold the copyright for this material, I am reproducing it here as a service, as it is no longer available on the Children's Mercy Hospital website. Need more information? I have a page with general help resources. You can also browse for pages similar to this one at Category: Analysis of means.