Acid-test ratios 速动比率
mix ratios test 配合比设计试验
variance ratios test 方差比检验
The professionals use statistical packages and programs such as FactSet, to back-test ratios.
FORBES: The Quant Test
But just by doing that, the close rates in his test area of Texas went from 3.2% close ratios to 7.5% close ratios.
FORBES: Top 100 Lead Response Companies at salesforce.com's Dreamforce 2012
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