Percentage Error — from Wolfram MathWorld – The percentage error is 100% times the relative error….

Mineral Density: Teaching accuracy, slope, and percent … – This activity is a lab investigation in which students make mass/volume measurements of several samples of the same mineral to determine the mineral’s density….

Symmetric mean absolute percentage error – Wikipedia, … – Symmetric mean absolute percentage error (SMAPE or sMAPE) is an accuracy measure based on percentage (or relative) errors. It is usually defined as follows:…

Percentage Error – Math is Fun – Maths Resources – Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents….

IXL – Percent error: area and volume (Algebra 1 practice) – Fun math practice! Improve your skills with free problems in ‘Percent error: area and volume’ and thousands of other practice lessons….

Aug 01, 2010 · To see all my Chemistry videos, check out http://socratic.org/chemistry How to calculate error and percent error….

Percent Error Practice Directions: For each of the following situations find the percent error involved. Be careful in determining the true vs. observed value….

Determine the percentage error in the following problems. Show all your work! … Percent Error Practice Problems. Title: Percent Error Author: Steven L. Vernon…