Researchers conducting a clinical trial randomly

Assignment Help Applied Statistics
Reference no: EM13862235

2. Researchers conducting a clinical trial randomly assigned 60 patients with painful kneeosteoarthritis evenly into one of four treatment groups: glucosamine, chondroitin, Celebrex, orplacebo. After the study period, patients were asked if they experienced substantialimprovement in pain and ability to function normally. Thirty-four patients replied that they didhave an improvement, including 8 in the glucosamine group, 9 in the chondroitin group, 11 inthe Celebrex group, and 6 in the placebo group.

a. Create a graph for this data that can be used to compare the success of each of the fourtreatments. (4pt)

b. Conduct the appropriate test to determine if these four treatments were equally successful inimproving knee pain and functionality. (5pt)

c. Calculate the odds ratio of experiencing an improvement for patients in the Celebrex groupcompared those in the placebo group. Interpret what this means in the context of theproblem.

 

 

Reference no: EM13862235

Questions Cloud

Liquid products were first obtained from coal : 1). Liquid products were first obtained from coal in England during the 1700s. Lamp oil was produced from coal in the United States as early as 1850, but the domestic coal chemicals industry did not develop until World War I. A modern coal - for - re..
Liquid products were first obtained from coal : 1). Liquid products were first obtained from coal in England during the 1700s. Lamp oil was produced from coal in the United States as early as 1850, but the domestic coal chemicals industry did not develop until World War I. A modern coal - for - re..
Charge of establishing economic policy : Consider a small island country whose only industry is printing. Imagine you're in charge of establishing economic policy for the small island country.
Describe the changes that occurred in virtual communities : Describe the changes that occurred in virtual communities when the bandwidths available to Internet users increased.
Researchers conducting a clinical trial randomly : Researchers conducting a clinical trial randomly assigned 60 patients with painful kneeosteoarthritis evenly into one of four treatment groups: glucosamine, chondroitin, Celebrex, orplacebo. After the study period, patients were asked if they experie..
Statement by glenn stevens-governor-monetary policy decision : At its meeting today, the Board decided to leave the cash rate unchanged at 2.0 per cent. The global economy is expanding at a moderate pace, with some further softening in conditions in China and east Asia of late, but stronger US growth. Key comm..
Define the term spend as it is used in business purchasing : Define the term spend as it is used in business purchasing. Explain how the Internet has reduced the spend of many U.S. manufacturing companies.
Why life expectancy and good health continue to increase : What are some of the reasons why life expectancy and good health continue to increase in some parts of the world and fail to improve in others?
Real rate of return on investment : A) Suppose Jean Splicer, an investor, buys $100,000 of shares of stock in a diversified bundle of Bio-tech firms and exactly one year later sells those shares for $108,000. If the value of the CPI at the date of Jean's purchase was 160, and rose b..

Reviews

Write a Review

Applied Statistics Questions & Answers

  Allergic reactions to poison ivy can be miserable

Allergic reactions to poison ivy can be miserable. Plant oils cause the reaction. Researchers at Allergy Institute did a study to determine the effects of washing the oil off within 5 minutes of exposure. A random sample of 1000 people with known all..

  What will be the predicted satisfaction score

In a regression analysis, a nurse researcher found a correlation of between pain relief scores and satisfaction with nursing care.

  How does the decrease in confidence affect the sample

A doctor want to estimate the HDL cholesterol of all 20-to 29 year old females. How many subjects are needed to estimate the HDL cholesterol within 2 points with 99%confidence assuming Q= 15.4 ? suppose the doctor would be content with 95% co..

  Steps of hypothesis testing

Based on the information provided for this hypothesis test, what decision should you come to? (Assume that the population is normally distributed.)

  What is the aim of ms. gorman research

What is the aim of Ms. Gorman research?

  Exact three different digits each repeated twice

How many 6 digit numbers are there with exact three different digits each repeated twice. example: 255277, 112233,123123

  How would you define the wilcoxon signed rank test

How would you define the Wilcoxon Signed Rank Test?

  How can you relate to the death of ivan ilych

Refer to the GCU Introduction, The Death of Ivan Ilych by Tolstoy and the three concepts of the "healing environment" found in chapters 7-9 of Called to Care: A Christian Worldview for Nursing. What is the phenomenology of illness and disease (i.e. t..

  What is the approximate percentage of the players

What is the approximate percentage of the players that are taller than 65.6 inches?

  A randomly selected person is a runner

1) The probability that a randomly selected person has high blood pressure (the event H) is P(H) = 0.4 and the probability that a randomly selected person is a runner (the event R) is P(R) = 0.5. The probability that a randomly selected person has hi..

  The computed chi square is 0.335

To answer the question as to whether or not there is a difference in time to progression, a Chi square statistic is computed. The critical value for rejection of the null hypothesis is 3.84. The computed Chi square is 0.335.

  What is the importance of the decision theory

Decision Trees are graphic displays of the decision process. When do you feel it is appropriate to use decision trees?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd