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 System B System C Execution am Execution Time Execution Time Time V 150 200 75 W 200 250 150 X 250 175 200 y 400 800 500 N 1,000 1,200 1,100