Is the difference between the mean annual salaries of registered nurses in New Jersey and Delaware equal
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Is the difference between the mean annual salaries of registered nurses in New Jersey and Delaware equal to $10,000? To decide, you select a random sample of registered nurses from each state. The results of each survey are shown in the figure. Assume the population standard deviations are σ1 = $8345 and σ2 = $7620. At α = 0.01, what should you conclude?
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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