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21. When the calculated F ratio is equal to or greater than the critical, tabled value of F for a given number of degrees of freedom, then: a. alpha is inflated b. Ho is accepted c. Ho is rejected d. none of these 22. If the MS between equals 10, and the MS within equals 10, the total degrees of freedom are equal to: a. 15.00 b. .50 c. 2.00 d. can't tell 23. The one-way ANOVA may only be used when: a. the direction of the difference is specified c. there are more than three sample groups b. the F ratio is significant d. there is only one independent variable 24. Tukey's HSD is used in order to: a. establish the significance of the overall F ratio c. establish the alpha error b. allocate the degrees of freedom d. none of these 25. Once an F ratio has been found not to be significant, we must immediately: a. apply Tukey's HSD c. re-allocate the degrees of freedom b. increase the alpha error d. none of these 26. Once an F ratio is found to be significant, then: a. each sample mean must represent a different population b. each sample mean must represent a single population c. each sample mean deviates by the same amount d. none of these 27. When analyzing a significant ANOVA, in order to establish precisely where the sample differences may have occurred, we may: a. apply Tukey's HSD c. calculate the coefficient of determination b. reduce the alpha d. none of these, since a significant F indicates precisely where the sample differences can be found 28. In order to calculate an F ratio, there must be: a. more than one sample group c. homogeneous variances among the sample groups b. interval data d. all of these 29. The factorial ANOVA is applied when: a. there is more than one independent variable b. there is more than one dependent variable c. there is exactly one independent variable d. the is 1 degree of freedom between groups 30. When several independent variables are manipulated simultaneously, an appropriate analysis would be: a. one-way ANOVA b. factorial ANOVA c. partial ANOVA d. none of these 31. When the data form is nominal, the appropriate F ratio is: a. one-way b. two-way c. factorial d. none of these W 32. When measuring individuals with the nominal scale, the key question is: a. how much of a given trait does an individual possess? b. does individual A possess more of a given trait than individual B? c. does the individual possess or not possess the trait? d. all of these are key questions when using nominal data 33. If during a Presidential campaign, a certain random sample of voters indicated 30 persons for Clinton, 25 for Bush, and 10 for Perot, the resulting scale would be: a. nominal b. ordinal c. interval d. ratio 34. If a certain nominal scale, applied to a single group of subjects, showed observed frequencies of 30, 25, and 20, the frequencies expected on the basis of chance would be: a. 30, 25, and 20 b. 30, 30, and 25 c. 25, 30, and 25 d. 25, 25, and 25 35. When a single group of subjects is allocated among any number of categories, the chi square analysis is: a. r by k b. r by 1 c. 2 by 2 d. 1 by k