Author Question: Six patients were each given four different pain killers and asked to rate each pain killer's ... (Read 244 times)

robinn137 · **on:** Feb 14, 2020

Question 1

In a study comparing the effects of four energy drinks on running speed, eight runners were timed (in seconds) running four miles. On each day, they were given a single energy drink. The data are listed below. Is there evidence of a difference in the probability distributions of the running times among the four drinks? Use

Drink

Question 2

Six patients were each given four different pain killers and asked to rate each pain killer's effectiveness in reducing pain on a scale of 1 to 10. A Friedman Fr-test was performed on the results. A printout is shown below.

Friedman Test: Response versus Treatment blocked by Patient

S = 18.00 DF = 3 P = 0.000

Est

Sum of

Treatment

N

Median

Ranks

1

6

7.500

24.0

2

6

4.500

12.0

3

6

6.000

18.0

4

6

2.500

6.0

Grand median = 5.125

Is there evidence that at least two of the treatment probability distributions differ in location? Explain.

milbourne11 · **Reply #1 on:** Feb 14, 2020

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