The problem of estimating the variance of the ratio estimator in sampling with probability proportional to aggregate size is investigated. The form of nonnegative unbiased variance estimators is found ...
Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...
MrExcel on MSN
Excel Tutorial: Calculating Variance Within Pivot Tables
Learn how to calculate and display variance inside Excel pivot tables. Perfect for financial analysis, reporting, and data ...
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