The execution times for three systems running five benchmarks are shown in the following table. Compare the relative performance of each of these systems (i.e., A to B, B to C, and A to C) using the arithmetic and geometric means. Are there any surprises? Explain.

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Progr System A am Execution Time System B System C Execution Execution Time Time V 45 125 75 W M 300 275 350 X 250 100 200 y 400 300 500 N 800 1,200 700