Question
Collinsville Construction Company purchases steel rods for its projects from Redding Rods, Inc. (population 1) and Stockton Steel (population 2). Claude Carter, Quality Assurance Manager,
Collinsville Construction Company purchases steel rods for its projects from Redding Rods, Inc. (population 1) and Stockton Steel (population 2). Claude Carter, Quality Assurance Manager, has sampled the outputs from Redding's and Stockton's rod manufacturing processes. The results for Redding were s12 = 0.10 with n1= 8, and, for Stockton, the results were s22 = 0.05 with n2= 10. Assume that rod lengths are normally distributed in the population If = 0.05, please test to determine whether the variances of rod lengths for the two populations are the same.
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