Class Notes (810,417)
Engineering (154)
ENGG 1100 (21)
Lecture

# Nov 6th.docx

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School
University of Guelph
Department
Engineering
Course
ENGG 1100
Professor
Khosrow Farahbakhsh
Semester
Fall

Description
Mean ± 0.04 -------precision in the given case. More is the precision, more is the safety. Expected ± 0.04 ----accuracy. Under precision, (a) is more precise. If we have even numbers, the middle number is the median. (True value-mean)*100/true value. (Mean ±Variation)/precision In the standard of deviation formula, n is the total number of measurements. e.g : mass-- 15-20 g ---uncertain 17.43g------new weight of gold ring M1=17.44g, m2=17.46g, m3=17.42g Avg = (17.44+17.46+17.42)/
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