[" 9.The mean deviation of trie inulivuv...

[" 9.The mean deviation of trie inulivuver (b) "5" (a) "25," (c) "1.2],[" 10.The sum of the squares deviations for "10" observations taken from their mean "50" is "250" .The "],[" coefficient of variation is "],[" (a) "10%," (b) "40%]

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