I have a question and I literally don't know where to begin.  I am provided with a table of stock prices of Microsoft from August 13 to November 1, 2001.  It includes the following headings:  Date, Open, High, Low, Close, and Volume.   I am supposed to estimate the volatility parameter, sigma, using the "standard estimator of volatility".  I have that the formula is sigma=S times the square root of 252.  I also have the formula for S.  As I said, I don't know where to start or what I need to do to solve the problem.  Thanks!

Question

I have a question and I literally don't know where to begin. 

I am provided with a table of stock prices of Microsoft from August 13 to November 1, 2001.  It includes the following headings:  Date, Open, High, Low, Close, and Volume.  

I am supposed to estimate the volatility parameter, sigma, using the "standard estimator of volatility".  I have that the formula is sigma=S times the square root of 252.  I also have the formula for S.  As I said, I don't know where to start or what I need to do to solve the problem.  Thanks!

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