tioal Exam u muigle wgresion analysis,the moan square regression divided by mean

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tioal Exam u muigle wgresion analysis,the moan square regression divided by mean square error sushand en IS Foe a given multiple regressiou moslel with thrse independent variables, the value of the less than R niusbod multiple coetticient of determination s never C sometines tX much te For the same value of x (independent variable), the width of the confidence interval for the average value of y (dependent variable) is the width of the prediction interval for the indivilual vatue ofy A less tha R greater than C equal to D. Cannot be determined without sample data. 17, Which one of the foltowing nonparametric methods can be used with a single population? A. Spearman's test B. Wilcoxon rank sum test C. Kruskal-Wallis test D. Sign test S. Which of the following statements about nonparametric methods is correct? A. Nonparametric methods are only used in cases where parametric tests such as t or E do not cxist B. Nonparametric tests are useful alternatives to parametric tests such as tor F when certain assumptions required by parametric tests are violated. C. Nonparamctric tests should always be used when one is available because they are easier to apply then their parametric counterparts. D. Nonparametric tests are only used if the data comes from independent samples. 19. Which one of the following nonparametric methods can be used to determine the strength of the relationship between two variables? A. Spearman's rank correlation test B. Wilcoxon signed rank test C. Kruskall-Wallis test D. Wilcoxon rank sum test

Explanation / Answer

14) option B is correct

15) option A

16) option A

17) option B,D

18) option B

19) option A

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