Compute the standard deviation of the following stocks and the PSEi. For xi and x, for (xi-x)2, and for . AC Year 30/1/2014 28/2/2014 31/3/2014

Compute the standard deviation of the following stocks and the PSEi. For xi and x̄, for (xi-x̄)2, and for σ.

   

AC Year 30/1/2014 28/2/2014 31/3/2014 30/4/2014 30/5/2014 30/6/2014 31/7/2014 29/8/2014 30/9/2014 31/10/2014 28/11/2014 29/12/2014 0 Stock Price 524.00 575.50 578.00 624.00 618.00 647.50 658.00 700.50 740.00 690.00 694.00 694.00 Return xi X (xi-x)2 JGS Stock Price 39.400 46.900 49.500 50.600 30/5/2014 49.300 30/6/2014 51.250 31/7/2014 53.000 29/8/2014 51.450 30/9/2014 57.900 31/10/2014 63.800 28/11/2014 461.650 29/12/2014 66.000 Year 30/1/2014 28/2/2014 31/3/2014 30/4/2014 0 Return xi x (xi-x)2