Statistics Chpt 4

Statistics Chpt 4 - AVERAGE TO THE REAL VALUE? 4 CAN YOU...

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1 Quantitative Chemical Analysis Seventh Edition Quantitative Chemical Analysis Seventh Edition Chapter 4 Statistics Copyright © 2007 by W. H. Freeman and Company Daniel C. Harris Daniel C. Harris mean Standard deviation
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2 A Gaussian curve in which μ = 0 and σ = 1. A Gaussian curve whose area is unity is called a normal error curve. In this case, the abscissa, x , is equal to z , defined as z = ( x μ )/ σ .
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3 HOW CLOSE IS YOUR MEASURED
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Unformatted text preview: AVERAGE TO THE REAL VALUE? 4 CAN YOU THROW OUT OUTLAYERS? 0.11/0.2 = 0.55 For 5 measurements Q = 0.65 So……. . KEEP! 5 WHAT LINE CAN YOU DRAW THROUGH THE POINTS?? WHAT LINE CAN YOU DRAW THROUGH THE POINTS?? 6 calibration (-blanks) Standard addition Standard addition Internal standard 7 I n te r a l s ta d S t i o c lib tio (-b l k s )...
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This note was uploaded on 05/19/2010 for the course CHEM 150 taught by Professor Buratto during the Spring '08 term at UCSB.

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Statistics Chpt 4 - AVERAGE TO THE REAL VALUE? 4 CAN YOU...

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