The monthly closing stock prices (rounded to the nearest dollar) for Starbucks Corp. and Panera Bread Co.

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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. R-96

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a. Calculate the sample variance and sample standard deviation for each firm's stock price.

b. Which firm's stock price had greater variability as measured by standard deviation?

c. Which firm's stock price had the greater relative dispersion?

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Business Statistics Communicating With Numbers

ISBN: 9780071317610

1st Edition

Authors: Kelly Jaggia

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The monthly closing stock prices (rounded to the nearest dollar) for Starbucks Corp. and Panera Bread Co.

Question:

Month Starbucks Corp. Panera Bread Co. January 2010 $22 $71 February 2010 23 73 March 2010 24 76 April 2010 26 78 May 2010 26 81 June 2010 24 75

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Business Statistics Communicating With Numbers

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