A fast-food restaurant monitors its drive-thru service times electronically to ensure that its speed of service is

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A fast-food restaurant monitors its drive-thru service times electronically to ensure that its speed of service is meeting the company’s goals. A sample of 28 drive-thru times was recently taken and is shown here.

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a. Construct a stem and leaf diagram of the speed of service times.
b. What range of time might the restaurant say is the most frequent speed of service?
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Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

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