e. A company wishes to purchase one of five different machines A, B, C, D and E. In an experiment designed to determine

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E A Company Wishes To Purchase One Of Five Different Machines A B C D And E In An Experiment Designed To Determine 1 (49.28 KiB) Viewed 111 times

e. A company wishes to purchase one of five different machines A, B, C, D and E. In an experiment designed to determine whether there is a performance difference between the machines, five experienced operators each work on the machines for equal times, the table shows the number of units produced by each machine. Test the hypothesis that there is no difference between the machines at 5% level of significance. A 68 72 77 42 53 B 72 53 63 53 48 60 82 64 75 72 48 61 57 64 50 E 64 65 70 68 53 C D