Difference between revisions of "statistics"
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[[Category: Engineering]] | [[Category: Engineering]] | ||
| + | [[Category: math]] | ||
| + | [[Category: statistics]] | ||
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| + | == Use the Geometric Mean == | ||
To average normalized data use the '''Geometric Mean'''. Do not use the '''Arithmetic Mean''' to average normalized data. | To average normalized data use the '''Geometric Mean'''. Do not use the '''Arithmetic Mean''' to average normalized data. | ||
| − | The '''Geometric Mean''' of | + | The '''Geometric Mean''' of '''n''' numbers is the product of the numbers to the 1/n<sup>th</sup> power. |
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| + | GM = (N<sub>1</sub> * N<sub>2</sub> * ... * N<sub>n</sub>) <sup>(1/n)</sup> | ||
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| + | (<sup>n</sup>∏<sub>i=1</sub> a<sub>i</sub> ) <sup>(1/n)</sup> | ||
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[[media:The Correct Way to Summarize Benchmark Results.pdf]] | [[media:The Correct Way to Summarize Benchmark Results.pdf]] | ||
Latest revision as of 03:16, 15 May 2016
Use the Geometric Mean
To average normalized data use the Geometric Mean. Do not use the Arithmetic Mean to average normalized data. The Geometric Mean of n numbers is the product of the numbers to the 1/nth power.
GM = (N1 * N2 * ... * Nn) (1/n)
(n∏i=1 ai ) (1/n)
