8.86 GPAs You want to estimate the difference in grade point averages between two groups of univer-...
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8.86 GPAs You want to estimate the difference in grade point averages between two groups of univer- sity students accurate to within 0.2 grade point, with probability approximately equal to 0.95. If the standard deviation of the grade point measurements is approxi- mately equal to 0.6, how many students must be included in each group? (Assume that the groups will be of equal size.)
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Related Book For
Introduction To Probability And Statistics
ISBN: 9780176509804
3rd Edition
Authors: William Mendenhall
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