TrưỜng đẠi học công nghệ tp. HỒ chí minh
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| E.3. Salmonella
HOAT TINH KHANG SALMONELLA 1 11:46 Thursday, July 9, 2017 The ANOVA Procedure Class Level Information Đƣờng kính vòng kháng khuẩn (mm) Ethanol 30% Ethanol 50% Ethanol 70% Nƣớc cất Kháng sinh 1 0 9 11,5 0 15 2 0 10 11 0 17 3 0 10 14 0 18 Độ lệch chuẩn 0 0,333 1,072 0 0,882 23 ĐỒ ÁN TỐT NGHIỆP Class Levels Values SAL 3 50 70 khangsin Number of Observations Read 9 Number of Observations Used 9 HOAT TINH KHANG SALMONELLA 2 11:46 Thursday, July 9, 2017 The ANOVA Procedure Dependent Variable: DK Sum of Source DF Squares Mean Square F Value Pr > F Model 2 75.50000000 37.75000000 21.57 0.0018 Error 6 10.50000000 1.75000000 Corrected Total 8 86.00000000 R-Square Coeff Var Root MSE DK Mean 0.877907 10.30812 1.322876 12.83333 Source DF Anova SS Mean Square F Value Pr > F SAL 2 75.50000000 37.75000000 21.57 0.0018 HOAT TINH KHANG SALMONELLA 3 11:46 Thursday, July 9, 2017 The ANOVA Procedure t Tests (LSD) for DK NOTE: This test controls the Type I comparisonwise error rate, not the experimentwise error rate. 24 ĐỒ ÁN TỐT NGHIỆP Alpha 0.05 Error Degrees of Freedom 6 Error Mean Square 1.75 Critical Value of t 2.44691 Least Significant Difference 2.643 Means with the same letter are not significantly different. t Grouping Mean N SAL A 16.667 3 khangsin B 12.167 3 70 B B 9.667 3 50 HOAT TINH KHANG SALMONELLA 4 11:46 Thursday, July 9, 2017 The ANOVA Procedure t Tests (LSD) for DK NOTE: This test controls the Type I comparisonwise error rate, not the experimentwise error rate. Alpha 0.01 Error Degrees of Freedom 6 Error Mean Square 1.75 Critical Value of t 3.70743 Least Significant Difference 4.0045 Means with the same letter are not significantly different. t Grouping Mean N SAL A 16.667 3 khangsin B 12.167 3 70 B B 9.667 3 50 |