Practice problem
Measures of Central Tendency: Standard Deviation

By Mike Mozart CC BY SA-2.0, via flikr.com
Sometimes, brands split their companies into pieces called "shares" and sell them to the public/investors so they can gain power and value. Standard deviation is one of many things people use to measure the risk of investing in a company.
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Michael Kors sells their company for per share, on average, with a current standard deviation (of the last month) of about .
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Nike sells shares for each, on average, with a current standard deviation (of the last month) of about .
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Lululemon sells shares for each, on average, with a current standard deviation (of the last month) of about .
Which company is the most risky to invest in?