21 Determe the coefficient of determination YA 2 using the formwas n = 15 Ey = 427 E x2 = 3889 E x = 199 Exy = 66 67 8 42 = 13, 169 a x 3 / 11 14 16 /7 17 20 (Round up to 2 decimal places) The coefficient 4 19 /17 13 /10 10 | 61 1 of determination for the bivariate data below is raz = 1 12 14 15 9 10 The coefficient of determination for the bivarcate 91716 4/ 2/ 1 / data below is rh 2 -( 5 ) 2 14 5 9 10 The coefficient of determination for the bivarcade data aboue is rig = 9/3 / 3 |4 / 7 8 / 101 9/ ( 0 , 32 ) ( 2 , 25 ) 6 6 , 1 1 ) , ( 8 , 4 ) ( 9 . 0 .5 ) likht is the scope of the linear regression model for this site