A medical research group is investigating what differences might exist between two pain-killing drugs, Azerlieve and Zynumbic.
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A medical research group is investigating what differences might exist between two pain-killing drugs, Azerlieve and Zynumbic. The researchers have already established there is no difference between the two drugs in terms of the average amount of time required before they take effect. However, they are also interested in knowing if there is any difference between the variability of time until pain relief occurs. A random sample of 24 patients using Azerlieve and 32 patients using Zynumbic yielded the following results:
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Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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