In 2011 there were 232.2 million cell phone subscribers in the United States. By 2017 the number

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In 2011 there were 232.2 million cell phone subscribers in the United States. By 2017 the number of subscribers increased to 265.9 million. What is the geometric mean annual percent increase for the period? Further, the number of subscribers is forecast to increase to 276.7 million by 2020. What is the rate of increase from 2017 to 2020? Is the rate of increase expected to slow?

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Statistical Techniques In Business And Economics

ISBN: 9781260239478

18th Edition

Authors: Douglas Lind, William Marchal, Samuel Wathen

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