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2. 20 tests are selected at random from a collection of data management classes. The overall course mean 75 with a standard deviation of 4.6.
2. 20 tests are selected at random from a collection of data management classes. The overall course mean 75 with a standard deviation of 4.6. Determined and 99% confidence interval for the following test scores
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Elementary & Intermediate Algebra Functions And Authentic Applications
Authors: Jay Lehmann
2nd Edition
0321923456, 9780321923455
