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EXERCISE 22.1 Measured CPU times for three processors A1, A2, and A3 on five workloads B1 through B5 are shown in Table 22.10. Three replications of each experiment are shown. Analyze the data and answe r the following a. Are the processors different from each other at 90% level of confidence? b. What percentage of variation is explained by the processor-workload interaction? c. which effects in the model are not significant at 90% confidence. TABLE 22.10 Data for Exercise 22.1 AI A2 5,120 5,100 5,140 9,400 9,300 9,500 4,160 4,100 4,220 5,610 5,575 5,645 12,240 12,290 12,190 8,960 8,900 8,840 19,740 19,790 19,690 7,360 7,300 7,420 22,340 22,440 22,540 28,560 28,360 28,760 B1 3,200 3,150 3,250 4,700 4,740 4.660 B3 3,200 3,220 3,180 B45,100 5,200 5,000 6,800 6,765 6,835 B2 B5