Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

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Answer 1

Question

Chapter 15.1, Problem 3PB

a.

To determine

Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

b.

To determine

Find the mean rank for each treatment and the difference between the mean ranks for all the possible ranks obtained in part (a).

c.

To determine

Construct the sampling distribution of the difference between the sample mean ranks for the two treatments.

d.

To determine

Find and interpret the P–value corresponding to the test that therapy-1 and therapy-2 have different effects.

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In this assignment, you will calculate the relative risk, attributable risk, and number needed to treat for a contrived clinical research study. In the study, researchers want to determine whether a new drug will reduce the risk of blood clotting in patients who have been diagnosed with blood clots in the past. 2,000 participants were selected for the study. 1,000 participants were given the new drug, and 1,000 participants were given a placebo. After 5 years, the number of participants from each group who had developed a blood clot were recorded. The data is shown in the table below. 1. Calculate the RR, ARR, and NNT for the data. 2. Briefly interpret each value in your own words. Blood clot No blood clot Total New drug 21 979 Placebo 45 955 Total

Answer 2

Question

Chapter 15.1, Problem 3PB

a.

To determine

Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

b.

To determine

Find the mean rank for each treatment and the difference between the mean ranks for all the possible ranks obtained in part (a).

c.

To determine

Construct the sampling distribution of the difference between the sample mean ranks for the two treatments.

d.

To determine

Find and interpret the P–value corresponding to the test that therapy-1 and therapy-2 have different effects.

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Answer 3

Question

Chapter 15.1, Problem 3PB

a.

To determine

Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

b.

To determine

Find the mean rank for each treatment and the difference between the mean ranks for all the possible ranks obtained in part (a).

c.

To determine

Construct the sampling distribution of the difference between the sample mean ranks for the two treatments.

d.

To determine

Find and interpret the P–value corresponding to the test that therapy-1 and therapy-2 have different effects.

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Answer 4

Question

Chapter 15.1, Problem 3PB

a.

To determine

Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

b.

To determine

Find the mean rank for each treatment and the difference between the mean ranks for all the possible ranks obtained in part (a).

c.

To determine

Construct the sampling distribution of the difference between the sample mean ranks for the two treatments.

d.

To determine

Find and interpret the P–value corresponding to the test that therapy-1 and therapy-2 have different effects.

Expert Solution & Answer

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Answer 5

Chapter 15.1, Problem 3PB

a.

To determine

Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

b.

To determine

Find the mean rank for each treatment and the difference between the mean ranks for all the possible ranks obtained in part (a).

c.

To determine

Construct the sampling distribution of the difference between the sample mean ranks for the two treatments.

d.

To determine

Find and interpret the P–value corresponding to the test that therapy-1 and therapy-2 have different effects.

Answer 6

Chapter 15.1, Problem 3PB

a.

To determine

Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

Answer 7

Chapter 15.1, Problem 3PB

a.

To determine

Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

Answer 8

b.

To determine

Find the mean rank for each treatment and the difference between the mean ranks for all the possible ranks obtained in part (a).

Answer 9

b.

To determine

Find the mean rank for each treatment and the difference between the mean ranks for all the possible ranks obtained in part (a).

Answer 10

c.

To determine

Construct the sampling distribution of the difference between the sample mean ranks for the two treatments.

Answer 11

c.

To determine

Construct the sampling distribution of the difference between the sample mean ranks for the two treatments.

Answer 12

d.

To determine

Find and interpret the P–value corresponding to the test that therapy-1 and therapy-2 have different effects.

Answer 13

d.

To determine

Find and interpret the P–value corresponding to the test that therapy-1 and therapy-2 have different effects.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 15.1 - Prob. 1PB Ch. 15.1 - Prob. 2PB Ch. 15.1 - Prob. 3PB Ch. 15.1 - Prob. 4PB Ch. 15.1 - Prob. 5PB Ch. 15.1 - Prob. 6PB Ch. 15.1 - Prob. 7PB Ch. 15.2 - How long do you tolerate being put on hold?...Ch. 15.2 - Prob. 9PB Ch. 15.2 - Prob. 10PB

Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

Solution Summary: The author explains the possible ways in which the ranks could be allocated, two to each treatment with no ties.

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Find all the possible ways the ranks could be allocated, two to each treatment with no ties.

Find the mean rank for each treatment and the difference between the mean ranks for all the possible ranks obtained in part (a).

Construct the sampling distribution of the difference between the sample mean ranks for the two treatments.

Find and interpret the P–value corresponding to the test that therapy-1 and therapy-2 have different effects.

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Chapter 15 Solutions