Question

The monthly closing stock prices (rounded to the nearest dollar) for Starbucks Corp. and Panera Bread Co. for the first six months of 2010 are reported in the following table.


a. Calculate the sample variance and the sample standard deviation for each firm’s stock price.
b. Which firm’s stock price had greater variability as measured by the standard deviation?
c. Which firm’s stock price had the greater relativedispersion?


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  • CreatedJanuary 28, 2015
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