QC CALCULATION PROBLEM
SET
James O. Westgard, Ph.D.
March 1998
Use the data in this table to test the QC calculator. Print this
form out and use the calculator to calculate the mean, CV, SD, cum mean,
cum CV, and cum SD. Check yourself against the
answers.
|
1
|
199
|
202
|
199
|
196
|
199
|
196
|
|
2
|
195
|
200
|
200
|
203
|
196
|
205
|
|
3
|
201
|
194
|
197
|
204
|
207
|
197
|
|
4
|
205
|
204
|
201
|
195
|
194
|
200
|
|
5
|
205
|
203
|
198
|
197
|
199
|
197
|
|
6
|
207
|
195
|
206
|
205
|
188
|
198
|
|
7
|
191
|
202
|
199
|
202
|
200
|
200
|
|
8
|
199
|
202
|
194
|
207
|
205
|
204
|
|
9
|
204
|
206
|
192
|
197
|
203
|
197
|
|
10
|
196
|
198
|
214
|
197
|
194
|
206
|
|
11
|
197
|
200
|
200
|
200
|
207
|
199
|
|
12
|
193
|
189
|
198
|
202
|
195
|
202
|
|
13
|
193
|
202
|
207
|
209
|
208
|
203
|
|
14
|
196
|
205
|
198
|
204
|
192
|
194
|
|
15
|
197
|
198
|
197
|
206
|
201
|
200
|
|
16
|
192
|
194
|
200
|
192
|
196
|
199
|
|
17
|
198
|
201
|
191
|
197
|
200
|
201
|
|
18
|
198
|
205
|
205
|
201
|
202
|
198
|
|
19
|
201
|
196
|
197
|
193
|
211
|
198
|
|
20
|
199
|
200
|
199
|
198
|
200
|
195
|
|
Mean
|
|
|
|
|
|
|
|
SD
|
|
|
|
|
|
|
|
CV
|
|
|
|
|
|
|
|
Cum mean
|
|
|
|
|
|
|
|
Cum SD
|
|
|
|
|
|
|
|
Cum CV
|
|
|
|
|
|
|
Copyright © 1998. All rights reserved.
WesTgard® Quality Corporation, 7614 Gray Fox
Trail, Madison WI 53717
Call 608-833-4718 or e-mail westgard@westgard.com
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