An article in the San Jose Mercury News stated that students in the California state university system
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An article in the San Jose Mercury News stated that students in the California state university system take 4.5 years, on average, to finish their undergraduate degrees. Suppose you believe that the mean time is longer. You conduct a survey of 49 students and obtain a sample mean of 5.1 with a sample standard deviation of 1.2. Do the data support your claim at the 1% level?
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Related Book For
Introductory Business Statistics
ISBN: 202318
1st Edition
Authors: Alexander Holmes , Barbara Illowsky , Susan Dean
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