Below are returns on the stock A and S&P500 index. All numbers are in decimals (-0.0222...

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Below are returns on the stock A and S&P500 index. Allnumbers are in decimals (-0.0222 is equivalent to -2.22%).
A S_P500
-0.0222 0.0032
-0.0048 -0.0058
0.1333 0.0434
0.0765 0.1081
-0.0161 -0.0121
0.1250 0.1400
0.0145 0.0368
-0.0475 -0.0454
0.0430 0.0577
-0.0260 -0.1374
0.0071 0.0064
0.0249 0.0186
0.0850 0.0215
-0.0624 -0.0752
0.0933 0.0365
0.0456 0.0528
-0.0632 -0.0131
0.0450 0.0009
0.0200 0.0017
0.0280 0.0985
What is the sample standard deviation of the stock Areturns?
Please write an answer in decimals. For example, 12.34% would be0.1234.
Also, round your answer to the fourth decimal.
Your Answer:

Answer & Explanation Solved by verified expert

4.3 Ratings (924 Votes)

	Number of sample	A	(A- Expected return)^2
	1	-0.0222	0.0022
	2	-0.0048	0.0009
	3	0.1333	0.0117
	4	0.0765	0.0027
	5	-0.0161	0.0017
	6	0.125	0.0100
	7	0.0145	0.0001
	8	-0.0475	0.0052
	9	0.043	0.0003
	10	-0.026	0.0026
	11	0.0071	0.0003
	12	0.0249	0.0000
	13	0.085	0.0036
	14	-0.0624	0.0076
	15	0.0933	0.0047
	16	0.0456	0.0004
	17	-0.0632	0.0078
	18	0.045	0.0004
	19	0.02	0.0000
	20	0.028	0.0000
i	Total	0.499	0.0623
ii	Number of observation	20	20

iii=i/ii	Therefore expected return	0.02495


	Variance =	=0.0623/(20-1)		0.003279

	Standard deviation = square root of variance =			0.0573

	Therefore answer =	0.0573

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Below are returns on the stock A and S&P500 index. Allnumbers are in decimals (-0.0222 is equivalent to -2.22%).AS_P500-0.02220.0032-0.0048-0.00580.13330.04340.07650.1081-0.0161-0.01210.12500.14000.01450.0368-0.0475-0.04540.04300.0577-0.0260-0.13740.00710.00640.02490.01860.08500.0215-0.0624-0.07520.09330.03650.04560.0528-0.0632-0.01310.04500.00090.02000.00170.02800.0985What is the sample standard deviation of the stock Areturns?Please write an answer in decimals. For example, 12.34% would be0.1234.Also, round your answer to the fourth decimal.Your Answer:

A	S_P500
-0.0222	0.0032
-0.0048	-0.0058
0.1333	0.0434
0.0765	0.1081
-0.0161	-0.0121
0.1250	0.1400
0.0145	0.0368
-0.0475	-0.0454
0.0430	0.0577
-0.0260	-0.1374
0.0071	0.0064
0.0249	0.0186
0.0850	0.0215
-0.0624	-0.0752
0.0933	0.0365
0.0456	0.0528
-0.0632	-0.0131
0.0450	0.0009
0.0200	0.0017
0.0280	0.0985