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6166 UNIT 3 Section 2 Answers

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Only the appropriate statistics, critical values and results are given for each procedure. This analysis was run in SAS. Other packages only provide limited multiple comparison procedures. You can compare these results to those you obtained by hand calculations.
OVERVIEW Means with the same letter are not significantly different Level of yield variety N Mean Std Dev LSD TUKEY SNK DUNCAN WALLER A 8 3.06250000 0.40333432 A A A A A B 8 3.72500000 0.42342144 B B B B B C 8 4.00000000 0.55032458 B B B B B D 8 2.90000000 0.39279220 A A A A A t Tests (LSD) for yield (Fisher's LSD) Alpha 0.05 Error Degrees of Freedom 28 Error Mean Square 0.199777 Critical Value of t 2.04841 Least Significant Difference 0.4578 Tukey's Studentized Range (HSD) Test for yield Alpha 0.05 Error Degrees of Freedom 28 Error Mean Square 0.199777 Critical Value of Studentized Range 3.86125 < Table 10 value Minimum Significant Difference 0.6102 StudentNewmanKeuls Test for yield Alpha 0.05 Error Degrees of Freedom 28 Error Mean Square 0.199777 Number of Means 2 3 4 Stud.Range Crit. Val 2.897 3.499 3.86125 < Table 10 Critical Range 0.4577838 0.5529593 0.6101757 Duncan's Multiple Range Test for yield Alpha 0.05 Error Degrees of Freedom 28 Error Mean Square 0.199777 Number of Means 2 3 4 Table Value 2.90 3.04 3.13 < From Duncan Table Critical Range .4578 .4810 .4960 WallerDuncan Kratio t Test for yield Kratio 100 Error Degrees of Freedom 28 Error Mean Square 0.199777 F Value 11.05 < From AOV Critical Value of t 1.92620 < From Waller Table Minimum Significant Difference 0.4305 No transformation used. Contrast DF Contrast SS Mean Square F Value Pr > F l1 1 0.02531250 0.02531250 0.13 0.7245