ANALYSIS OF VARIANCE (ANOVA)TEST

May 14th, 2015
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1.When more than two population means are compared, one uses the analysis of variance technique. 2.The distribution used for analysis of variance is F test. 3Analysis of variance is used to ______________________________.

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Analysis of VarianceAPPLIED STATISTICS TUTORIAL 3: ANALYSIS OF VARIANCE (ANOVA)1.When more than two population means are compared, one uses the analysis of variance technique.2.The distribution used for analysis of variance is F test.3.Analysis of variance is used to ______________________________. A. compare nominal data.B. compare population proportion.C. simultaneously compare several population means.4. In ANOVA, F statistic is used to test a null hypothesis such as: A. B. C. 5. If an ANOVA test is conducted and the null hypothesis is rejected, what does this indicate? A. Too many degrees of freedomB. No difference between the population meansC. A difference between at least one pair of population means 6.Experiments on accuracy of three types of measuring devices have been implemented. The results were analyzed using SPSS and generate as a following OUTPUT 1: OUTPUT 1Sum of SquaresdfMean SquareFSig.Between GroupsWithin GroupsTotal9.650ST211134.825R2.180.159Based on the OUTPUT 1, determine the values R, S and T.ANSWER:7.Based on the OUTPUT 2, what is your conclusion on the rental rates between the four cities at ? OUTPUT 2ANOVA Rental per month for two-bedded apartmentsSum of SquaredfMean SquareFSig.Between GroupsWithin GroupsTotal44947.000378299.040423246.0403969914982.3333940.6153.802.013ANSWERS:We conclude that the rental rates is differ for different cities.8.The research department at Evergreen Supermarket want

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