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  3. for the data below perform a wilcoxon rank-sum tes

For the data below perform a Wilcoxon Rank-Sum Test by-hand showing all steps (you may verify...

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Statistics

  1. For the data below perform a Wilcoxon Rank-Sum Test by-handshowing all steps (you may verify your results using software ifyou want to but it’s not required).
    Two treatments were developed for asthma patients. Twelve patientswere randomly assigned to one of Treatment A or Treatment B (sixpatients on each treatment). The response variable is the number ofdays that the patients were symptom free after using their assignedtreatments for a week. Test to see if Treatment A has adistribution that is shifted to the right (i.e. tends to havelarger values) than Treatment B.
    Show all steps of your test and use 5% level of significance.

Trt A

4

8

7

14

10

13

Trt B

2

11

9

3

15

6

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