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1. The monthly closing stock prices ( rounded to the nearest dollar) for Panera Bread Co. for the first six months of 2010 are reported in the following table
Month closing stock price
January2010 $71
February2010 $73
March 2010 $76
April 2010 $78
May 2010 $81
June 2010 $75
(d) Calculate sample variance
We have given that data
71 73 76 78 81 75
I want to find sample variance ( s2 )
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