W4 Sample Exercise on ANOVA Excel and Megastat

# W4 Sample Exercise on ANOVA Excel and Megastat - Sample...

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Sample Exercise on ANOVA (Single Factor) To provide some additional insight about the ANOVA process, the following is an example that I encourage you to review. The following is a sample using a level of significance of 0.05. A B C D 1 2 Rural Area Small Urban Area Large Urban Area 3 35 28 24 4 30 24 28 5 36 25 26 6 38 30 30 7 29 32 34 8 34 28 9 31 Note the table above is an example that is using cells that begin on Row 2, and are using columns B, C, and D. a. Set up the Null and Alternative Hypothesis. H O : μ 1 = 2 = 3 H 1 : Treatment means are not all the same Note: all null and alternative setups for ANOVA use these exact symbols and words. b. The level of significance is given at 0.05 c. Determine the Decision Rule The decision rule is: Reject Ho if F > 3.68 Note: this number is derived by using the Appendix F, Critical Values of the F Distribution (p. 786), and is also on the calculated ANOVA table. We

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W4 Sample Exercise on ANOVA Excel and Megastat - Sample...

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