6. when ranking all the observations together, the heights of 91 centimeters should each be assigned the rank a. 8.0. 7. When ranking all the observations together, the heights of 87 centimeters should each be assigned the rank a. 4.0. . .0. . .5. . .0. 8. If W, the Wilcoxon rank sum test statistic is the sum of the ranks assigned to the heights of peach seedlings receiving Herbicide A, then the value of W is a. 24.5. b. 52.0. c. 53.5. d. 54.5. 9. If W, the Wilcoxon rank sum test statistic is the sum of the ranks assigned to the heights of peach seedlings receiving Herbicide A, then if the two populations have the same continuous distribution, the standard deviation of W is a. 2.32. b. 3.61. c. 4.97. d. 6.24. 10. If W, the Wilcoxon rank sum test statistic, is the sum of the ranks assigned to the heights of peach seedlings receiving Herbicide A, then 2, the standardized value of W, is a. 0.37. B thos.content.blackboardcdn.com G