Homework 1 summer II 2011

Homework 1 summer II 2011 - process. The results of the...

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QBA I I Dr. Patankar HW #1 Name___________ Class Time___ Due next class period. Show all work for full credit (5) 1. Maxforce, Inc., manufactures racquetball racquets by two different manufacturing processes (A and B). Because the management of this company is interested in estimating the difference between the average times it takes each process to produce a racquet, they select independent samples from each
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Unformatted text preview: process. The results of the samples are shown below. Population Variances are known to be 64 and 81 for processes A and B respectively. Process A Process B Sample Size 52 55 Sample Mean (in minutes) 60 47 Is there conclusive evidence to prove that Process A takes more time than Process B? Use =.05....
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