Of the 98 participants in a drug trial who were given a new experimental treatment for arthritis,
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Of the 98 participants in a drug trial who were given a new experimental treatment for arthritis, 56 showed improvement. Of the 92 participants given a placebo,49 showed improvement. Construct a two-way table for these data, and then use a 0.05 significance level to test the claim that improvement is independent of whether the participant was given the drug or a placebo.
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The expected number of patients who show improvement is 5692 064 since 064 1 005 is equal to the actual number of patients who showed improvement So t...View the full answer
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Related Book For 
Statistical Reasoning For Everyday Life
ISBN: 978-0134494043
5th Edition
Authors: Jeff Bennett, William Briggs, Mario Triola
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