Question

The table below shows annual returns for stocks of companies X and Y. Calculate the arithmetic average returns. In addition, calculate their variances, as well as their standard deviations.

PLEASE SHOW ALL STEPS AND I WILL RATE! THANK YOU

	Returns
Year	X	Y
1	12 %	24 %
2	30	45
3	19	-10
4	-20	-24
5	21	53

   

Requirement 1:
(a)	The arithmetic average return of company X's stock is:
	(Click to select)14.01%15.13%10.04%12.40%15.50%

   *

(b)	The arithmetic average return of company Y's stock is:
	(Click to select)17.60%19.89%14.26%21.47%22.00%

  

Requirement 2: I have tried this many times and I cannot get the correct answer.
(a)	The variance of company X's stock returns is: (Do not round intermediate calculations.)
	(Click to select)0.036812, 0.029913, 0.036930, 0.046014, 0.046163

   

(b)	The variance of company Y's stock returns is: (Do not round intermediate calculations.)
	(Click to select)0.141787, 0.105385, 0.113430, 0.131731, 0.091878

  

Requirement 3:
(a)	The standard deviation of company X's stock returns is: (Do not round intermediate calculations.)
	(Click to select)21.45%24.02%19.09%15.57%19.22%

   

(b)	The standard deviation of company Y's stock returns is: (Do not round intermediate calculations.)
	(Click to select)33.68%36.29%32.46%27.28%42.10%

Answer 1