Revising the Mean and Variance

Revising the Mean and Variance:
Combining Subjectivity and Evidence-based Estimates

This site is a part of the JavaScript E-labs learning objects for decision making. Other JavaScript in this series are categorized under different areas of applications in the MENU section on this page.

Professor Hossein Arsham   


Enter your up-to-14 pairs of mean & Variance, and then click the Calculate button. Blank boxes are not included in the calculations.

In entering your data to move from cell to cell in the data-matrix use the Tab key not arrow or enter keys.


Mean (i)
Variance (i)
Combined Estimate of Mean
Combined Estimate of Variance
Coefficient of Variation (in %)




For Technical Details, Back to:
Decision Analysis with Applications


Kindly email your comments to:
Professor Hossein Arsham


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Kindly e-mail me your comments, suggestions, and concerns. Thank you.

Professor Hossein Arsham   


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