Daves Automatic Door installs automatic garage door openers. The following list indicates the number of minutes needed

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Dave’s Automatic Door installs automatic garage door openers. The following list indicates the number of minutes needed to install 10 door openers: 28, 32, 24, 46, 44, 40, 54, 38, 32, and 42.
(a) Range,
(b) Arithmetic mean,
(c) Variance, and
(d) Interpret the statistics.

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Statistical Techniques In Business And Economics

ISBN: 356

16th Edition

Authors: Douglas Lind, William Marchal

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