As a new analyst you have calculated the following annual rates of return for the stocks of both Lauren Corporation and Raleigh Industries

Year	Lauren rate of return	Kayleigh rate of return
2015	5	5
2016	12	15
2017	-11	5
2018	10	7
2019	12	-10

1. Compute average return, standard deviations, coefficient of variation co-variances and correlations of the two stocks
2. Would a combination of Lauren and Kaleigh be good for diversification?
3. Graph risk return relationship
4. Identify minimum variance portfolio and optimal tangency portfolio if the risk free rate is 3%
5. Graph risk return relationship of
   1. Risk free with minimum variance portfolio
   2. Risk free with optimal portfolio
   3. Risk free with Lauren
   4. Risk free with Kayleigh