Statistics Test Scores Tests in one of the authors statistics classes have scores with a standard deviation
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Statistics Test Scores Tests in one of the author’s statistics classes have scores with a standard deviation equal to 14.1. One of his last classes had 27 test scores with a standard deviation of 9.3. Use a 0.01 significance level to test the claim that this class has less variation than other past classes. Does a lower standard deviation suggest that this last class is doing better?
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Related Book For
Biostatistics For The Biological And Health Sciences
ISBN: 9780134039015
2nd Edition
Authors: Marc Triola, Mario Triola, Jason Roy
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