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In deciding where to invest her retirement fund, an investor recorded the weekly returns of two...

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Statistics

In deciding where to invest her retirement fund, an investorrecorded the weekly returns of two portfolios for one year, withthe results stored in columns 1 and 2. Some of these data are shownbelow. Can we conclude at the 5% significance level that portfolio2 is riskier than portfolio 1? Compare both return and risk . Do onExcel .

This is the Data :

Portflio-1Portflio-2
0.220.32
0.590.35
0.110.48
-0.050.36
0.440.27
0.380.33
0.050.47
0.00-0.01
0.27-0.22
0.100.37
0.410.76
0.010.14
0.460.57
0.260.06
0.080.70
0.42-0.32
0.380.83
0.220.55
0.130.73
0.11-0.17
0.330.04
0.14-0.07
0.280.28
0.280.31
0.440.72
0.28-0.03
0.210.34
0.040.13
0.580.24
0.240.64
0.17-0.22
0.100.81
-0.030.33
0.440.66
0.120.80
0.000.09
0.110.24
0.110.22
0.290.51
0.140.60
0.150.42
0.43-0.10
0.150.26
0.550.57
0.180.24
0.220.37
0.220.41
0.110.78
0.030.24
0.100.32
0.150.56
0.23-0.02

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