A company wishes to purchase one of five different machines: A, B, C, D, or E. In an experiment designed to test whether there is a difference in the machines' performance, each of five experienced operators works on each of the machines for equal times. Table below shows the numbers of units produced per machine. What is the p-value? (2 decimal places) A 68 72 77 42 53 B 72 53 63 53 48 C 60 82 64 75 72 D 48 61 57 64 50 E 64 65 70 68 53

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