To clarify the results of the preceding problem, we look at a simpler example. Benchmark Processor
X Y Z
1 20 10 40
2 40 80 20
1. Compute the arithmetic mean value for each system using X as the reference machine and then using Y as the reference machine. Argue that intuitively, the three machines have roughly equivalent performance and that the arithmetic mean gives misleading results.
2. Compute the geometric mean value for each system, using X as the reference machine and then using Y as the reference machine. Argue that the results are more realistic than with the arithmetic mean.