1) In testing for the difference between two populations, it is possible to use a. The Wilcoxon Rank-Sum test b. The Sign test c. Either of the above d. None of the above 2) The Wilcoxon rank sum test statistic is approximately normally distributed whenever the sample sizes are larger than: a. 5 b. 10 c. 20 d. 25 3) The ________________ can be defined as the sequence of identical occurrence of the elements (numbers or symbols), preceded or followed by different occurrence of the elements or by no element at all. a. Sign Test b. Run Test c. Median Test d. Binomial Test 4) The Runs test results in rejecting the null hypothesis of randomness when: a. There is an unusually large number of runs b. There is an unusually small number of runs c. Either of the above d. None of the above 5) The Runs test results in rejecting the null hypothesis of randomness when: a. There is an unusually large number of runs b. There is an unusually small number of runs c. Either of the above d. None of the above