company is interested in estimating the difference between the avarage time it takes to each process to produce a racquet, they select independent samples from each process. The results of the samples are shown below
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Maxforce inc manufactures racquetball racquets by two manufacturing processes (A and B). Because the management of the company is interested in estimating the difference between the avarage time it takes to each process to produce a racquet, they select independent samples from each process. The results of the samples are shown below
Process A Process B
sample mean (in min) 43 47
Population standard deviation. 8 8.5
1. Develop a confidence
2. Is there a conclusive evidence that one process takes longer than the other?Use both critical value and the p- value approach
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