dudedude2151 dudedude2151 23-12-2022 Mathematics Answered The following sample observations were randomly selected. (Round intermediate calculations and final answers to 2 decimal places.)x 4 5 4 6 9y 4 6 3 7 7a. The regression equation is \hat{y}= ... + 0.69xb. When X is 8 this gives \hat{y} = ...