Welcome to Minitab, press F1 for help. MTB > print c1-c3 Data Display Row C1 C2 C3 1 47 1 1 2 43 1 1 3 46 1 2 4 40 1 2 5 62 2 1 6 68 2 1 7 67 2 2 8 71 2 2 9 41 3 1 10 39 3 1 11 42 3 2 12 46 3 2 MTB > MTB > table c2 c3; SUBC> mean c1. Tabulated Statistics: C2, C3 Rows: C2 Columns: C3 1 2 All 1 45.000 43.000 44.000 2 65.000 69.000 67.000 3 40.000 44.000 42.000 All 50.000 52.000 51.000 Cell Contents -- C1:Mean MTB > table c2 c3; SUBC> stats c1. Tabulated Statistics: C2, C3 Rows: C2 Columns: C3 1 2 All 1 2 2 4 45.000 43.000 44.000 2.828 4.243 3.162 2 2 2 4 65.000 69.000 67.000 4.243 2.828 3.742 3 2 2 4 40.000 44.000 42.000 1.414 2.828 2.944 All 6 6 12 50.000 52.000 51.000 12.066 13.431 12.218 Cell Contents -- C1:N Mean StDev MTB > help table MTB > twoway c1 c2 c3 Two-way ANOVA: C1 versus C2, C3 Analysis of Variance for C1 Source DF SS MS F P C2 2 1544.0 772.0 74.71 0.000 C3 1 12.0 12.0 1.16 0.323 Interaction 2 24.0 12.0 1.16 0.375 Error 6 62.0 10.3 Total 11 1642.0 MTB > help anova MTB > anova c1 = c2|c3 ANOVA: C1 versus C2, C3 Factor Type Levels Values C2 fixed 3 1 2 3 C3 fixed 2 1 2 Analysis of Variance for C1 Source DF SS MS F P C2 2 1544.00 772.00 74.71 0.000 C3 1 12.00 12.00 1.16 0.323 C2*C3 2 24.00 12.00 1.16 0.375 Error 6 62.00 10.33 Total 11 1642.00