Analytical Chemistry Lab 5

Analytical Chemistry Lab 5 - 30-28.5 3 23.48 7.42 50 30.9...

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SUMMARY OUTPUT Known Y Known X 114.5 -5 Regression Statistics 87.5 -4 Multiple R 0.99 30.9 -3 R Square 0.99 -28.5 -2 Adjusted R 0.98 -87 -1 Standard E 11.69 Formula Formula Observatio 5 -51.9 -132.22 ANOVA df SS MS F ignificance F Regression 1 26936.1 26936.1 197.14 0 Residual 3 409.91 136.64 Total 4 27346.01 Coefficientstandard Erro t Stat P-value Lower 95%Upper 95%Lower 95.0% Upper 95.0% Intercept -132.22 12.26 -10.78 0 -171.24 -93.2 -171.24 -93.2 X Variable -51.9 3.7 -14.04 0 -63.66 -40.14 -63.66 -40.14 RESIDUAL OUTPUT PROBABILITY OUTPUT ObservationPredicted Y Residuals Percentile Y 1 127.28 -12.78 10 -87 2 75.38 12.12
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Unformatted text preview: 30-28.5 3 23.48 7.42 50 30.9 4-28.42-0.08 70 87.5 5-80.32-6.68 90 114.5 Known Y Known X 114.5-5 87.5-4 30.9-3-28.5-2-87-1 Formula Formula-51.9-132.22 1 2 3 4 5-100-50 50 100 150 Working Curve of Flouride Concentration vs. Electrical Potential log[F^-1] E (mV)-5.5-5-4.5-4-3.5-3-2.5-2-1.5-1-0.5-100-50 50 100 150 f(x) = -51.9x - 132.22 R = 0.99 Plot of x vs. y x value y value-5.5-5-4.5-4-3.5-3-2.5-2-1.5-1-0.5-15-10-5 5 10 15 Plot of Residuals X value (log[F^-1]) Residuals...
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This note was uploaded on 04/10/2008 for the course CHEM 2124 taught by Professor Mrjohnson during the Fall '06 term at Virginia Tech.

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Analytical Chemistry Lab 5 - 30-28.5 3 23.48 7.42 50 30.9...

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