One treatment for multiple myeloma (cancer of the blood and bones) is a stem cell transplant. However,
Question:
a. Find and compare the percentages that had a bad result for the two groups.
b. Test the hypothesis that the drug reduced the chance of a bad result compared to the placebo using a significance level of 0.05.
c. The study started in April 2005 and was "unblinded" in 2009 when an interim analysis showed better results with the group taking the drug. After the unblinding, many of the patients from the placebo group "crossed over" to the drug group. Explain what you think "unblinding" means and why this seems like a reasonable thing to do.
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Related Book For
Introductory Statistics Exploring The World Through Data
ISBN: 9780321978271
2nd Edition
Authors: Robert Gould, Colleen Ryan
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