MTB > Read 'G:\DRR95\95ED257\DENTAL.DAT' c1-c4.
Entering data from file: G:\DRR95\95ED257\DENTAL.DAT
     32 rows read.
MTB > table c3 c4;
SUBC> mean c1.

Tabulated Statistics
 ROWS: C3     COLUMNS: C4
 
           1        2      ALL
  
  1   0.6000   1.1750   0.8875
  2   1.0625   1.7875   1.4250
 ALL  0.8313   1.4813   1.1563
 
  CELL CONTENTS --
               C1:MEAN

MTB > anova c1 = c2 c3|c4

Analysis of Variance (Balanced Designs)
Factor     Type Levels Values
C2        fixed      8     1     2     3     4     5     6     7     8
C3        fixed      2     1     2
C4        fixed      2     1     2


Analysis of Variance for C1      
Source      DF         SS         MS       F      P
C2           7     5.5988     0.7998   55.30  0.000
C3           1     2.3112     2.3112  159.79  0.000
C4           1     3.3800     3.3800  233.68  0.000
C3*C4        1     0.0450     0.0450    3.11  0.092
Error       21     0.3038     0.0145
Total       31    11.6388 


MTB > note now ignore blocking variable
MTB > anova c1 = c3|c4

Analysis of Variance (Balanced Designs)

Factor     Type Levels Values
C3        fixed      2     1     2
C4        fixed      2     1     2

Analysis of Variance for C1      

Source      DF         SS         MS       F      P
C3           1     2.3112     2.3112   10.96  0.003
C4           1     3.3800     3.3800   16.03  0.000
C3*C4        1     0.0450     0.0450    0.21  0.648
Error       28     5.9025     0.2108
Total       31    11.6388 

--empirical relative efficiency from blocking---
MTB > let k1 = .2108/.0145
MTB > print k1
K1       14.5379

MTB > note follow NWK note pp931-2 to allow blockxfactor interactions
MTB > anova c1 = c2 c3 c4 c2*c3 c2*c4 c3*c4

Analysis of Variance (Balanced Designs)

Factor     Type Levels Values
C2        fixed      8     1     2     3     4     5     6     7     8
C3        fixed      2     1     2
C4        fixed      2     1     2

Analysis of Variance for C1      
Source      DF         SS         MS       F      P
C2           7    5.59875    0.79982   48.68  0.000
C3           1    2.31125    2.31125  140.68  0.000
C4           1    3.38000    3.38000  205.74  0.000
C2*C3        7    0.05875    0.00839    0.51  0.802
C2*C4        7    0.13000    0.01857    1.13  0.438
C3*C4        1    0.04500    0.04500    2.74  0.142
Error        7    0.11500    0.01643
Total       31   11.63875 


MTB > 
