The following summary output is the regression output of a market model regression, R = 0; + B Rn + el, where Ri is the rate of return of stock i and Rm is the rate of return of the S&P 500 index return. There are 10 observations. Several items in the regression output have been intentionally omitted. Use the reported information to calculate the missing values. What is the value of X2, the Multiple R? Summary Output Regression Statistics Multiple R x2 x1 R Square Standard Error Observations x3 10 Anova df Regression 1 Residual SS MS F Significance F 0.116552 0.116552 18.22733 0.002727 0.051155 0.006394 0.167706 8 Total 19 Coefficients Upper 95% Intercept 0.028324 Standard t Stat P.Value Lower 95% Error 0.032635 0.867909 0.410722 -0.04693 0.20345 X4 0002727 X5 0.10358 X variable 1 0.8686 1.337757