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# E-Text+Week+3 - measures two factors simultaneously 3 State...

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Week 3 E-Text Name : 1. It is assumed that the mean years of service for workers retired last year is the same for workers retired in 1979. A study was conducted to compare the mean years of service for those retiring in 1979 with those retiring last year at Acme Manufacturing Co. Consider .05 significance level. At the .05 significance level can we conclude that the workers retiring last year gave more service based on the following sample data? Use the formula below or Excel to compute Z 9 25 .542 Z=16.60 85 .35 Chapter 11 2. Explain the difference between one-factor and two-factor ANOVA. The one factor test measures significant effects of one factor only a two way test
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Unformatted text preview: measures two factors simultaneously. 3. State three assumptions of ANOVA. Independence, Normality, Equality or homogeneity 4. In an ANOVA Terminology What is a “Factor”, “Level”, and a “Response Variable” A factor is the “general name” for the sample data that is being studied. A level refers to the number of sample variables that are associated with the factor. The levels of a factor are also know as “treatments” The response variable is the quantitative sample data 40 45 Sample size (n) 3 4 S.D 26 35 Mean Population #2 Population #1 ??? 40 3 45 4 26 35 2 2 = +-= z...
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