CEOs who belong to a popular business-oriented social networking service have an average of 930 connections. Do

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CEOs who belong to a popular business-oriented social networking service have an average of 930 connections. Do other members have fewer connections than CEOs? The number of connections for a random sample of 7515 members who are not CEOs is provided in the DATAfile named SocialNetwork. Based on historical data, the population standard deviation can be assumed to be known with s = 250. Using this sample, test the hypothesis that other members have fewer connections than CEOs at α = .01. Discuss the practical significance of the results.
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Modern Business Statistics With Microsoft Excel

ISBN: 9781337115186

6th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

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