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Mathematics, 09.02.2021 08:50 pup88

Returns for the Shields Company over the last three years are shown below. What’s the standard deviation of Shields’ returns? ( Hint: This is a sample, not a complete population, so the sample standard deviation formula should be used.) Year

Return

2009

21.50%

2008

–12.50%

2007

24.20%

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