Explain how the calculations in the the below table are worked out?

 

-the S&P is calculated?

-beta

-market premium

-benchmark

-r2

-(1-r2)

 

#	Stock Options	Weightage	Anticaped WT. Avg Rate of Return	Wt Avg Annual Avg Return	Avg S&P 500 Annualised return (13%?)	Standard Deviation	Beta	Market Premium	Benchmark Return	R2	(1-R2)	Anticipated Perf-benchmark Perf
1	Delphi	l00%	9.10%	24.80%	13.90%	0.246	1.227	10.50%	16.29%	0.271	0.729	-7.19"o
2	Groupon	l00%	9.30%	9.80%	13.90%	0.675	1.522	10.50%	19.39%	0.056	0.044	- 10.09%
3	Kellogg	l00%	4.60%	11.40%	13.90%	0.148	0.053	10.50%	3.9h%	0.141	0.859	0.64%
4	Kinross Gold	l00%	8.40%	-2.00%	13.90%	0.650	0.355	10.50%	7.13%	0.003