Please refer to the Chapter 26 (Non parametric Tests) for the answers of 6 thru

Question

Please refer to the Chapter 26 (Non parametric Tests) for the answers of 6 thru 10. Some researchers have suggested that stem-pitting disease in peach tree seedlings can be controlled with soil treatment. An experiment was conducted to compare peach tree seedling growth with soil and weeds treated with one of two herbicides. In an experimental field containing 12 seedlings, six were randomly selected throughout the field to receive Herbicide A. The remaining six received Herbicide B. Soil and weed for each seedling were treated with the appropriate herbicide for three months, at which point the height in centimeters was recorded for each seedling. The following results were obtained. Herbicide Height (cm) A 97,93,91,91,89,87 B 91,87,84,78,74,69 6. When ranking all the observations together, the heights of 91 centimeters should each be assigned the rank a. 8.0. b. 8.5. c. 9.0. d. 9.5. 7. When ranking all the observations together, the heights of 87 centimeters should each be assigned the rank a. 4.0. b. 5.0. c. 5.5. d. 6.0.

Explanation / Answer

applying ranking on above data:

heights of 91 centimeters should each be assigned the rank   c. 9.0 option C

heights of 87 centimeters should each be assigned the rank c. 5.5 option C

Type Score Rank Herbicide (A) 97 12 Herbicide (A) 93 11 Herbicide (A) 91 9 Herbicide (A) 91 9 Herbicide (A) 89 7 Herbicide (A) 87 5.5 Herbicide (B) 91 9 Herbicide (B) 87 5.5 Herbicide (B) 84 4 Herbicide (B) 78 3 Herbicide (B) 74 2 Herbicide (B) 69 1

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