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25 QMB 3200 Exam Test Questions and Answers (Verified Answers) 1.in an analysis of variance problem is SST=120 and SSRT=80 then SSE is
ANS 40
2.In the analysis of variance procedure (ANOVA), "factor" refers to ANS the inde- pendent variable 3.in an analysis of variance problem involving 3 treatments and 10 observa- tions per treatment, SSE=399.6. The MSE for this situation is
ANS 14.8
4.When an analysis of variance is performed on samples drawn from K populations the mean square between treatments (MSTR) is 1 / 3
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25
ANS SSTR/(K-1)
5.In an analysis variance where the total sample size for the experiment is n.t and the number of populations is K, the mean square within the treatments is ANS SSE/(n.t-K) 6.The F ratio in a completely randomized ANOVA is the ratio of
ANS MSTR/MSE
7.the critical F value with 6 numerator and 60 denominator degrees of freedom at @=.05 is
ANS 2.25
8.The ANOVA procedure is a statistical approach for determining whether or not 2 / 3
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25 ANS the means of two or more populations are equal 9.the variable of interest in an ANOVA procedure is called ANS a factor 10.An ANOVA procedure is applied to data obtained from 6 samples where each sample contains 20 observations. The degree of freedom for the critical value of F are ANS 5 numerator and 114 denominator degrees of freedom 11.In the ANOVA , treatment refers to ANS different levels of a factor 12.the mean square is the sum of squares divided by ANS its corresponding degrees of freedom 13.in factorial designs, the response produced when the treatments of one factor interact with the treatments of another in influencing the