A stock had the following annual returns:6.18% ,22.24% ,18.74% , and-25.87%. Compute the following for the stock:

a) Expected Return

b) Variance :

c) Standard Deviation :

A stock has monthly returns of-26.42% ,-6.92% ,0.96% , and-11.44% . What is the stock's geometric average return?

Q8) A stock has an expected return of17.57%and a standard deviation of12.23%. Compute the following for this stock:

a) Upper range of 68% confindence interval :

b) Lower range of 68% confindence interval :

d) Lower range of 95% confindence interval :

e) Upper range of 95% confindence interval :

e) Upper range of 99% confindence interval :

f) Lower range of 99% confindence interval :

Q9) There is a33.27%probability of a below-average economy and a66.73%probability of an average economy.If there is a below-average economy, Stocks A and B will have returns of3.97%and2.65% , respectively.If there is an average economy, Stocks A and B will have returns of17.69%and4.15%, respectively. Compute the following for Stocks A and B:

a) Stock A Expected Return :

b) Stock B Expected Return :

c) Stock A Standard Deviation :

d) Stock B Standard Deviation :