For a multiple regression model involving 46 observations, the following estimated regression equation was obtained. 5?: lEu+5x1 2x2+4x3+?x4+4x5 For this model, SST = 3,45CI and SEE = 58-3. [a] Compute the multiple coefficient of determination. [Round your answer to four decimal places.) E {h} Perform an F-test and determine whether or not the regression model is significant. Let or = 13.1215. State the null and alternative hypotheses. I:"':I}-'lll:ll'81= '82 : u. : ['35 : 0 Ha: ICine or more of the parameters is not equal to zero. ':._.:' HI]: '81 : '82 : --- : [5 = 0 Ha: All the parameters are not equal to zero. HD: e = o Ha: I)": i [I HD: g : 0 Ha: 98:: = O '13} Ho: lICline or more of the parameters is not equal to zero. Ha:'|l31:'82:u.:'|l35: