You have been following the prices of Stock A and recording the following information:

* Remember to show all of your work *

a. Using the adjusted close, calculate the ex-post returns for stock A for each period.

b. Calculated the arithmetic mean for stock A.

c. Calculate the geometric mean for stock A.

d. Calculate the standard deviation or the risk associated with stock A.

e. Based upon your calculations, what do you thing the expected price will be on August 1 and what assumptions did you make to arrive at this expected price?

f. What form of market efficiency did you use to calculate the expected price? Explain.

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