Find the mean, variance, and standard deviation for the scores: 82 + 60 + 78 + 81

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Find the mean, variance, and standard deviation for the scores:
82 + 60 + 78 + 81 + 65 + 72 + 72 + 78. Show that the sum of the deviations is zero.
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Business Math

ISBN: 978-0133011203

10th edition

Authors: Cheryl Cleaves, Margie Hobbs, Jeffrey Noble

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