Kuehl -- Example 2.1 (Extended) Bacteria/Meat -- Multiple Comparisons The GLM Procedure Class Level Information Class Levels Values package 4 1 2 3 4 Number of Observations Read 12 Number of Observations Used 12 Kuehl -- Example 2.1 (Extended) Bacteria/Meat -- Multiple Comparisons The GLM Procedure Dependent Variable: logcount Sum of Source DF Squares Mean Square F Value Pr > F Model 3 32.87280000 10.95760000 94.58 <.0001 Error 8 0.92680000 0.11585000 Corrected Total 11 33.79960000 R-Square Coeff Var Root MSE logcount Mean 0.972580 5.768940 0.340367 5.900000 Source DF Type I SS Mean Square F Value Pr > F package 3 32.87280000 10.95760000 94.58 <.0001 Source DF Type III SS Mean Square F Value Pr > F package 3 32.87280000 10.95760000 94.58 <.0001 Kuehl -- Example 2.1 (Extended) Bacteria/Meat -- Multiple Comparisons The GLM Procedure t Tests (LSD) for logcount NOTE: This test controls the Type I comparisonwise error rate, not the experimentwise error rate. Alpha 0.05 Error Degrees of Freedom 8 Error Mean Square 0.11585 Critical Value of t 2.30600 Least Significant Difference 0.6409 Means with the same letter are not significantly different. t Grouping Mean N package A 7.4800 3 1 A A 7.2600 3 3 B 5.5000 3 2 C 3.3600 3 4 Kuehl -- Example 2.1 (Extended) Bacteria/Meat -- Multiple Comparisons The GLM Procedure Student-Newman-Keuls Test for logcount NOTE: This test controls the Type I experimentwise error rate under the complete null hypothesis but not under partial null hypotheses. Alpha 0.05 Error Degrees of Freedom 8 Error Mean Square 0.11585 Number of Means 2 3 4 Critical Range 0.640859 0.7941091 0.889962 Means with the same letter are not significantly different. SNK Grouping Mean N package A 7.4800 3 1 A A 7.2600 3 3 B 5.5000 3 2 C 3.3600 3 4 Kuehl -- Example 2.1 (Extended) Bacteria/Meat -- Multiple Comparisons The GLM Procedure Tukey's Studentized Range (HSD) Test for logcount NOTE: This test controls the Type I experimentwise error rate, but it generally has a higher Type II error rate than REGWQ. Alpha 0.05 Error Degrees of Freedom 8 Error Mean Square 0.11585 Critical Value of Studentized Range 4.52881 Minimum Significant Difference 0.89 Means with the same letter are not significantly different. Tukey Grouping Mean N package A 7.4800 3 1 A A 7.2600 3 3 B 5.5000 3 2 C 3.3600 3 4 Kuehl -- Example 2.1 (Extended) Bacteria/Meat -- Multiple Comparisons The GLM Procedure Bonferroni (Dunn) t Tests for logcount NOTE: This test controls the Type I experimentwise error rate, but it generally has a higher Type II error rate than REGWQ. Alpha 0.05 Error Degrees of Freedom 8 Error Mean Square 0.11585 Critical Value of t 3.47888 Minimum Significant Difference 0.9668 Means with the same letter are not significantly different. Bon Grouping Mean N package A 7.4800 3 1 A A 7.2600 3 3 B 5.5000 3 2 C 3.3600 3 4 Kuehl -- Example 2.1 (Extended) Bacteria/Meat -- Multiple Comparisons The GLM Procedure Scheffe's Test for logcount NOTE: This test controls the Type I experimentwise error rate. Alpha 0.05 Error Degrees of Freedom 8 Error Mean Square 0.11585 Critical Value of F 4.06618 Minimum Significant Difference 0.9706 Means with the same letter are not significantly different. Scheffe Grouping Mean N package A 7.4800 3 1 A A 7.2600 3 3 B 5.5000 3 2 C 3.3600 3 4