Perfect Parachute Co(ANOVA) - Perfect Parachute Co You are the production manager of the Perfect Parachute Company Parachutes are woven in your factory

# Perfect Parachute Co(ANOVA) - Perfect Parachute Co You are...

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Perfect Parachute Co. You are the production manager of the Perfect Parachute Company. Parachutes are woven in your factory using synthetic fiber purchased from four different suppliers. In order to determine if there are significant differences in the tensil-strength of parachutes woven from the fiber of different suppliers, you randomly select 5 parachutes woven from the fiber of each supplier. The results are given in the file PARACHUTE. At the α =0.05 level of significance, perform a one-way analysis of variance test (ANOVA) to determine if there are significant differences among the four groups. If differences do exist, use the Tukey-Kramer multiple comparison procedure to determine which means differ based on a 95% confidence level. HW: Chapter 11 - 4, 5, 6a, b, 8a, b, 10a, b, 13a, b, 14a, b

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Results for: Parachute.mtw One-way ANOVA: 1, 2, 3, 4 Source DF SS MS F P Factor 3 63.29 21.10 3.46 0.041 Error 16 97.50 6.09 Total 19 160.79 S = 2.469 R-Sq = 39.36% R-Sq(adj) = 27.99% Individual 95% CIs For Mean Based on Pooled StDev Level N Mean StDev

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