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Homework 3 4-15 Worksheet： Session： From Operator P = 0.010.05, we can be 99% sure that operator affects the assembly time. Ingredient P = 0.0040.05, we can be 99.6% sure that method affects the assembly time. Figure 1 Tukey 95.0% Simultaneous Confidence Intervals Response Variable Time All Pairwise Comparisons among Levels of Ingredient Ingredient = a subtracted from: Ingredient Lower Center Upper ----+---------+---------+---------+-- b -1.491 1.750 4.991 (-------*-------) c 2.509 5.750 8.991 (-------*-------) d 0.259 3.500 6.741 (-------*-------) ----+---------+---------+---------+-- -4.0 0.0 4.0 8.0 Ingredient = b subtracted from: Ingredient Lower Center Upper ----+---------+---------+---------+-- c 0.759 4.000 7.241 (-------*-------) d -1.491 1.750 4.991 (-------*-------) ----+---------+---------+---------+-- -4.0 0.0 4.0 8.0 Ingredient = c subtracted from: Ingredient Lower Center Upper ----+---------+---------+---------+-- d -5.491 -2.250 0.9910 (-------*-------) ----+---------+---------+---------+-- -4.0 0.0 4.0 8.0 Tukey Simultaneous Tests Response Variable Time All Pairwise Comparisons among Levels of Ingredient Ingredient = a subtracted from: Difference SE of Adjusted Ingredient of Means Difference T-Value P-Value b 1.750 0.9354 1.871 0.3304 c 5.750 0.9354 6.147 0.0035 d 3.500 0.9354 3.742 0.0364 Ingredient = b subtracted from: Difference SE of Adjusted Ingredient of Means Difference T-Value P-Value c 4.000 0.9354 4.2