Question
a random sample of 28 items is drawn from a population whose standard deviation is unknown. the sample mean is x=900 and the sample standard
a random sample of 28 items is drawn from a population whose standard deviation is unknown. the sample mean is x=900 and the sample standard deviation is s=10. Use appendix D to find the value's of student's T. Round the answer to 3 decimals.
98% confidence interval is from
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Applied Statistics In Business And Economics
Authors: David Doane, Lori Seward
4th Edition
73521485, 978-0073521480
