1. Data Entry &
Initial Calculations



Part













Appraiser

Trial #

1

2

3

4

5

6

7

8

9

10

Average



A















A

2














A

3














A

Average














A

Range














B

1














B

2














B

3














B

Average














B

Range














C

1














C

2














C

3














C

Average














C

Range















Part Average
















2. Two Way ANOVA Table


Source

Degrees of Freedom

Sum of Squares

Mean Square

F Value

Significant at alpha = 0.05 level


Appraiser







Parts







Appraiser by Part







Equipment







Total















3. ANOVA Analysis for % Variation and % Contribution


Components of Variation

Estimate of Variance

Std. Dev

% Total Variation

% Contribution


Repeatibility, or
Equipment Variation (EV)








Reproducibility,
or Appraiser variation (AV)








Appraiser by Part
(Interaction)








Repeatability and
Reproducibility (GRR)








Part Variation
(PV)








Total








Number of Distinct
Categories


Number of Distinct Categories




ndc





