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Math  average grade
Does anyone know how to calculate average point grade? I have the following data: grade D  2 students  4,9 percent grade C  6 students  14,7 percent grade B  12 students  29,2 percent grade A  21 students  51,2 percent
asked by refy on February 17, 2010 
Propagating error
Find the absolute and percent relative error for each calc. b) 81.5 (+/ 0.5) x 40.2 (+/ 0.2)/ 21.8 (+/ 0.2) my answer for absolute error was 150. +/ 200, which is outrageous. Can someone show how they would do it so I can
asked by Chris on September 16, 2006 
Math
How would the information about grade and frequency change if there were twice as many of each grade? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think that the grades would double if there was twice as many. Thanks.
asked by B.B. on July 29, 2009 
Chemistry
Do you need to do uncertainties on percent error? It doesn't make sense to have "percent error on percent error".
asked by Stuck on February 23, 2010 
Calculus (answer check)
The measurement of the radius of a circle is 16 inches, with a possible error of .25 inches. (Use differentials to approximate the possible propagated error and the percent error. Propagated error= 1.6% Percent error= 4.6%
asked by Sarah on October 26, 2016 
AP Chemistry
1. If alum is heated at first too strongly causing it to splatter out of the crucible what effect will this have on the determination of the water hydration? 2. If alum is heated insufficiently what effect will this have on the
asked by Nicole on October 11, 2014 
Math
The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many
asked by Jose on April 4, 2014 
Math, Geometry
The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many
asked by Luis on April 4, 2014 
Chemistry
How do you find Absolute error and how do you find relative error? Absolute error is the difference between the experimental value and the actual value. Relative error, usually expressed as a percent, is the error relative to the
asked by mZ. YoU on February 17, 2007 
Physics/Statistics
We're actually learning propigation of error in my chem class, but it seems to be used equally as much in Physics/Stats. My teacher showed us two methods of doing it: REAL Method (Addition/Subtraction): square root[(error absolute
asked by Amiga on September 14, 2006