Which of the following is the non-parametric equivalent to the parametric t-test for matched pairs? O Wilcoxon signed ranks test. O Kruskal-Wallis test. O Wilcoxon rank-sum test. O Durbin-Watson test. Question 5 1 pts A non-parametric method to compare two populations, when the samples are independent but not all the assumptions behind the independent samples t-test are satisfied, is the: O Wilcoxon signed ranks test. Wilcoxon rank-sum test. O sign test. O matched pairs t-test. Question 6 1 pts Which of the following best describes the range of the coefficient of determination? O-1 to 1. O 1 to k. where k is the number of independent variables in the model. O 1 ton, where n is the number of observations in the sample
