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ERIC Number: EJ1083662
Record Type: Journal
Publication Date: 2015
Pages: 8
Abstractor: As Provided
ISSN: ISSN-0009-2479
Simplify Uncertainty Analysis with Excel Macros Reflective ePortfolios--ChE Student Perceptions of Learning from Reflective ePortfolio Creation
Davis, Richard A.
Chemical Engineering Education, v49 n3 p167-174 Sum 2015
A simple classroom exercise is used to teach students about the law of propagation of uncertainty in experimental measurements and analysis. Students calculate the density of a rectangular wooden block with a hole from several measurements of mass and length using a ruler and scale. The ruler and scale give students experience with estimating fixed uncertainties from analog and digital instruments. The analysis is simplified using VBA macros in an Excel workbook that students create as a template for uncertainty analysis.
Chemical Engineering Education, Chemical Engineering Division of ASEE. P.O. Box 142097, Gainesville, FL 32614. Tel: 352-392-0861; Fax: 352-392-0861; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A