The table below shows the returns on two assets X and Y over a 4 year period.

Table: Returns on Asset X and Y

Year	X (%)	Y (%)
1	2	8
2	3	12
3	4	14
4	5	10

Required:

1. Calculate the expected return of X and Y( 2 marks)
2. Calculate the covariance on the returns of X and Y ( 3 marks)

c. Calculate the standard deviation on the returns of X and Y