The caffeine content (in milligrams) of a random sample of 50 cups of black coffee dispensed by
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Question:
The caffeine content (in milligrams) of a random sample of 50 cups of black coffee dispensed by a new machine is measured. The mean from the sample is 100 mg with a variance of 50.41mg2 The machine is capable of dispensing 3000 cups per day, whose caffeine content is normally distributed.
Test at 5% significance level whether one of the drugs is more effective than the other.
- The absolute value of critical value of this test is
- The absolute value of the calculated test statistic is
- The p-value of this test is
Related Book For
Business Statistics A First Course
ISBN: 978-0321979018
7th edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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