Last Review0 - Parachute Example 1 Values represent tensile...

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Parachute Example 1 Values represent tensile strength of parachute material in force per unit of cross section area (N/m²). Supplier 1 Supplier 2 Supplier 3 Supplier 4 20.2 25.0 20.6 21.5 21.0 25.3 25.2 21.3 19.8 24.0 20.8 21.0 19.9 21.2 24.7 21.1 19.1 24.5 22.9 20.2 19.5 24.0 22.8 20.1 20.0 24.0 22.8 21.2 19.9 24.0 22.8 21.0 18.9 24.0 22.8 21.1 10.6 24.0 22.8 21.2 One-way ANOVA: Supplier 1, Supplier 2, Supplier 3, Supplier 4 Source DF SS MS F P Factor 3 149.70 49.90 16.29 0.000 Error 36 110.29 3.06 Total 39 259.98 S = 1.750 R-Sq = 57.58% R-Sq(adj) = 54.04% Level N Mean StDev Supplier 1 10 18.890 2.970 Supplier 2 10 24.000 1.094 Supplier 3 10 22.820 1.423 Supplier 4 10 20.970 0.457 Individual 95% CIs For Mean Based on Pooled StDev Level -+---------+---------+---------+-------- Supplier 1 (----*-----) Supplier 2 (-----*-----) Supplier 3 (-----*-----) Supplier 4 (-----*----) -+---------+---------+---------+-------- 18.0 20.0 22.0 24.0
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Pooled StDev = 1.750 Tukey 95% Simultaneous Confidence Intervals All Pairwise Comparisons Individual confidence level = 98.93% Supplier 1 subtracted from: Lower Center Upper -----+---------+---------+---------+---- Supplier 2 3.001 5.110 7.219 (-----*-----) Supplier 3 1.821 3.930 6.039 (-----*-----) Supplier 4 -0.029 2.080 4.189 (-----*-----) -----+---------+---------+---------+---- -3.5 0.0 3.5 7.0 Supplier 2 subtracted from: Lower Center Upper -----+---------+---------+---------+---- Supplier 3 -3.289 -1.180 0.929 (-----*-----) Supplier 4 -5.139 -3.030 -0.921 (-----*-----) -----+---------+---------+---------+---- -3.5 0.0 3.5 7.0 Supplier 3 subtracted from: Lower Center Upper -----+---------+---------+---------+---- Supplier 4 -3.959 -1.850 0.259 (-----*-----) -----+---------+---------+---------+---- -3.5 0.0 3.5 7.0 Comparison of 95% individual CIs and Tukey 5% Family error rate (98.93% individual) Tukey CIs Individual CIs CIE 98.93% t=2.692344) CIE 95% (t.025 = 2.03) 2 - 1 3.004 7.218 3.524 6.698 3 - 1 1.824 6.038 2.344 5.518 4 - 1 -0.026 4.188 0.494 3.668 Note: H 0 : 4 - 1 = 0 Note: H 1 : 4 - 1 0
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Parachute Example 2 Supplier Loom Strength Strength1 Strength2 1 A 20.2 20.2 20.2 1 A 21.0 21.0 21.0 1 B 19.8 18.8 20.0 1 B 19.9 18.9
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