A standard method for analyzing Asprin tablets has a known variance of 25. A sample of ten
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Question:
A standard method for analyzing Asprin tablets has a known variance of 25. A sample of ten aspirin tablets is selected and analyzed for the amount of aspirin using a modified method, yielding the following results: 254,249,252,252,249,249,250,247,251,252.
Determine whether the precision of the modified method is significantly different from that of the standard method at alpha=0.05.
Related Book For
Statistics for Business and Economics
ISBN: 978-0321826237
12th edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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