Lets assume that you have two projects under consideration to make investment, but before to invest, you have decided to analyze the riskiness of the projects. The data is given as bellow. You are required to find out expected return, standard deviation and coefficient of variation and Based on result interpret the each projects.

No.	Closing price for project A	Closing price for Project B
1	100	250
2	120	300
3	130	350
4	110	355
5	140	360
6	170	350
7	140	340
8	200	330
9	230	320
10	190	300
11	210	290
12	250	320