Chem 3000 -- Fall 2009 -- John Marohn -- Lecture 6 -- F test cont'd

Chem 3000 Fall - Chemistry 3000 Cornell University Fall 2009 Chemistry 3000 Cornell University Fall 2009 F-test example “two-tailed test” 0.95

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Chemistry 3000 Cornell University Fall 2009 F-test example: “Upper one-tailed test” 0.95 = 95 % signif. Method 1: In pictures Method 2: Using the Excel numerical experiment Method 3: Using the book’s F-table
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Chemistry 3000 Cornell University Fall 2009 Denominator Numerator degrees of freedom
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Chemistry 3000 Cornell University Fall 2009 Cumulative probability of the F-statistic revisited Comparing two measured standard deviations to each other – Generating the distribution
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Unformatted text preview: Chemistry 3000 Cornell University Fall 2009 Chemistry 3000 Cornell University Fall 2009 F-test example: “two-tailed test” 0.95 = 95 % signif. Method 1: In pictures Method 2: Using the Excel numerical experiment Method 3: Using the book’s F-table Chemistry 3000 Cornell University Fall 2009 Numerator degrees of freedom Denominator Chemistry 3000 Cornell University Fall 2009 0.95 Chemistry 3000 Cornell University Fall 2009 0.95...
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Chem 3000 Fall - Chemistry 3000 Cornell University Fall 2009 Chemistry 3000 Cornell University Fall 2009 F-test example “two-tailed test” 0.95

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