Test-exam 2

As logarithm if y log10 a e y log10 a 0434 a a then

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Unformatted text preview: N 2 , “=steyx(y vs. x cells)” error in slope S r2 Sm S xx error in intercept Sb S r x N x x 2 i 2 i i 2 error of a result S Sc r m 1 1 y y c2 MN m S xx 19 2 sum of square of y deviation from regression line Coefficient of determination SSresidual yi b mxi , “=rsq(y vs. x cells)” 2 R2 1 Rresidual S yy E Eo 0.0592 log Q n K 2 H o 1 1 n K1 R T2 T1 20 Table I. t-values for Various Levels of Confidence x ts n x is the average value, t is the t-value, s is the standard deviation, and n is the number of data points. confidence limit Student-t values at various Confidence Interval (N-1) Degress of Freedom 1 2 3 4 5 6 7 8 9 10 11 12 13 14 80% 3.08 1.89 1.64 1.53 1.48 1.44 1.42 1.40 1.38 1.37 1.36 1.36 1.35 1.34 1.29 90% 6.31 2.92 2.35 2.13 2.02 1.94 1.90 1.86 1.83 1.81 1.80 1.78 1.77 1.76 1.64 95% 12.7 4.30 3.18 2.78 2.57 2.45 2.36 2.31 2.26 2.23 2.20 2.18 2.16 2.14 1.96 99% 63.7 9.92 5.84 4.60 4.03 3.71 3.50 3.36 3.25 3.17 3.11 3.06 3.01 2.98 2.58 99.9% 637 31.6 12.9 8.60 6.86 5.96 5.40 5.04 4.78 4.59 4.44 4.32 4.22 4.14 3.2...
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This note was uploaded on 03/03/2011 for the course CHEM 100A taught by Professor Dai during the Spring '06 term at UCSD.

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