1. Calculate the average return, variance, and standard deviation by using the stock return information provided to you.

	APPLE INC	Value-Weighted Return-incl. dividends	Equal-Weighted Return-incl. dividends	Return on the S&P 500 Index		Risk-free rate
	Tech					3%
Date	AAPL
20130131	-0.144094	0.054098	0.063509	0.050428
20130228	-0.025116	0.008338	0.0035	0.011061
20130328	0.002855	0.035268	0.031419	0.035988
20130430	0.000271	0.014943	0.002477	0.018086
20130531	0.022596	0.019047	0.023985	0.020763
20130628	-0.118303	-0.015036	-0.013012	-0.014999
20130731	0.141225	0.052685	0.054898	0.049462
20130830	0.083389	-0.025716	-0.017278	-0.031298
20130930	-0.021481	0.037454	0.051828	0.029749
20131031	0.096386	0.039876	0.025762	0.044596
20131129	0.069673	0.02495	0.023398	0.028049
20131231	0.008902	0.02612	0.025242	0.023563
20140131	-0.107697	-0.02996	-0.001282	-0.035583
20140228	0.057311	0.046159	0.044257	0.043117
20140331	0.019953	0.004497	0.001028	0.006932
20140430	0.099396	0.001674	-0.022319	0.006201
20140530	0.078293	0.020216	0.006647	0.02103
20140630	0.027662	0.027944	0.039501	0.019058
20140731	0.028731	-0.020524	-0.035223	-0.01508
20140829	0.077092	0.040186	0.033697	0.037655
20140930	-0.017073	-0.025119	-0.044988	-0.015514
20141031	0.07196	0.021188	0.014199	0.023201
20141128	0.105556	0.021149	-0.002457	0.024534
20141231	-0.071891	-0.00362	-0.00019	-0.004189
20150130	0.061424	-0.027158	-0.019073	-0.031041
20150227	0.100461	0.055957	0.054123	0.054893
20150331	-0.031372	-0.010441	-0.005112	-0.017396
20150430	0.005786	0.008705	0.015127	0.008521
20150529	0.045146	0.010331	0.003962	0.010491
20150630	-0.037266	-0.019255	-0.013473	-0.021012
20150731	-0.032888	0.012111	-0.027144	0.019742
20150831	-0.066117	-0.059998	-0.047295	-0.062581
20150930	-0.021816	-0.033732	-0.049922	-0.026443
20151030	0.083409	0.073953	0.052873	0.082983
20151130	-0.00569	0.002443	0.007333	0.000505
20151231	-0.110228	-0.022269	-0.035887	-0.01753
20160129	-0.075242	-0.057031	-0.074951	-0.050735
20160229	-0.001335	0.000692	0.005557	-0.004128
20160331	0.127211	0.070455	0.078191	0.065991
20160429	-0.139921	0.011806	0.039834	0.002699
20160531	0.071368	0.014301	-0.000617	0.015329
20160630	-0.04266	0.003128	0.005839	0.000906
20160729	0.090063	0.038741	0.049867	0.03561
20160831	0.023606	0.002783	0.013067	-0.001219
20160930	0.065504	0.003014	0.015373	-0.001234
20161031	0.004334	-0.021582	-0.039941	-0.019426
20161130	-0.021578	0.040421	0.050505	0.034174
20161230	0.047955	0.018777	0.015889	0.018201
20170131	0.047746	0.02217	0.025931	0.017884
20170228	0.133581	0.032639	0.01713	0.037198
20170331	0.04869	0.002089	0.00639	-0.000389
20170428	-0.00007	0.009613	0.003684	0.009091
20170531	0.067804	0.009333	-0.011327	0.011576
20170630	-0.057214	0.00946	0.022916	0.004814
20170731	0.032704	0.020313	0.00911	0.019349
20170831	0.106905	0.001596	-0.008749	0.000546
20170929	-0.060244	0.023705	0.046757	0.019303
20171031	0.096808	0.019262	0.002211	0.022188
20171130	0.02035	0.02728	0.020836	0.028083
20171229	-0.015246	0.012166	0.014222	0.009832
Average return
Variance
Standard deviation