MTB > table c2 c3;
SUBC> mean c1.

Tabulated Statistics
 ROWS: C2     COLUMNS: C3
           1        2      ALL
  1   27.000   12.500   19.750
  2    8.500   20.000   14.250
  3   18.500    3.500   11.000
 ALL  18.000   12.000   15.000
 
  CELL CONTENTS --
               C1:MEAN

MTB > anova c1 = c2 c3(c2)

Analysis of Variance (Balanced Designs)

Factor     Type Levels Values
C2        fixed      3     1     2     3
C3(C2)    fixed      2     1     2


Analysis of Variance for C1      

Source      DF         SS         MS       F      P
C2           2     156.50      78.25   11.18  0.009
C3(C2)       3     567.50     189.17   27.02  0.001
Error        6      42.00       7.00
Total       11     766.00 





