Select one answer In a clinical trial of a treatment for lung cancer, researcher

Question

Select one answer In a clinical trial of a treatment for lung cancer, researchers measured reduction in tumor rate to a new medication from a sample of 230 patients. 10 points The researchers used the reduction in tumor rate measurements to calculate a 95% confidence interval for the mean reduction in tumor rate to the new medication. What does a 95% confidence interval for the mean reduction in tumor rate tell researchers about this study? Reference: Socinski et al, Phase III Trial Comparing a Defined Duration of Therapy versus Continuous Therapy Followed by Second-Line Therapy in Advanced-Stage IIIB/IV Non-Small-Cell Lung Cancer JCO, March 1, 2002. A. Ifresearchers repeat the clinical trial many times, 95% of the time the true mean B. Researchers are 95% confident that this interval includes the sample mean of the c. 0 Researchers are confident that 95% of the 230 lung cancer patients in the sample will D. If researchers are able to measure the reduction in tumor rate of all lung cancer patients, reduction in tumor rate will be in the interval reduction in tumor rate. have a reduction in tumor rate within this interval. 95% of all lung cancer patients will have reduction in tumor rates within this interval.

Explanation / Answer

Option - A) If researchers repeat the clinical trial many times, 95% of the time the true mean reduction in tumor rate will be in the interval.

               

                      

                      

                                  

                          

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