
247Measurement System Analysis (MSA)
OVA) for data
6.
5.
4.
Xbar chart by operators Operators*parts interaction
Keith is different?
should be out-of-control;
op
Parts representative?
of process variation
should be in-control
By operators
By parts
3.25
Sample meanSample rangePercent
3.15
3.05
Jennifer
Jennifer
Jennifer
Keith
Keith
Nate
Nate
KeithNate
Jennifer
Operators
Keith
Nate
Parts
Operators
3.25
3.0SL = 3.182
X
–
–
= 3.159
–3.0SL = 3.135
–3.0SL = 0.00E+00
3.0SL = 0.05921
R
–
= 0.02300
3.25
3.25
3.15
3.15
3.05
3.05
3.05
12345678910
12345678910
0.08
0.06
0.04
0.02
0.00
100
50
0
Gage name:
EN/FN Gage 18.09 Plate
10/24/00
Nate McCall
Date of study:
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