Statistical analysis of telephone calls A random sample of 50 long-distance phone calls was made by Crabbis

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Statistical analysis of telephone calls A random sample of 50 long-distance phone calls was made by Crabbis Company in an effort to determine if restrictions should be placed on long distance calling. The sample has a mean of 16.3 minutes with a standard deviation of 6.5 minutes.image text in transcribed

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Cost Accounting

ISBN: 9780538817646

2nd Edition

Authors: Les Heitger, Pekin Ogan, Serge Matulich

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