Examlex
A musical pitch is played at 60 dB.Another is played that sounds four times as loud.The sound intensity level of the second pitch is
Index Fund
An investment fund designed to follow certain preset rules so that the fund can track a specified basket of underlying investments.
PHStat
An Excel add-in designed to perform statistical analysis, it provides tools for statistical tests, data analysis, and graphical presentations.
Coefficient of Variation
A standardized measure of dispersion of a probability distribution or frequency distribution, calculated as the ratio of the standard deviation to the mean.
PHStat
An Excel add-in that enhances the statistical capabilities of Microsoft Excel, providing tools for statistical analysis and decision-making.
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