Please calculate the Expected Rate of Return, Variance, andStandard Deviation for the data set in tab 2 of the Excelsheet.

Good A Good B Probability Rate of Ret Percent Dey Deviation S Rate of Ret Percent Dey Deviation S 13.10% -7 6.50% 2 -3.87% 5 Recession Normal Boom 15.90% Expected Rate of Retur Variance Standard Deviation 18.90% 65.20% -12 1 11 -9.73% 1.87% 11.20%