Question: 1.-090 Given are five observations collected in a regression study on two variables. x. 2 6 9 13 20 918925 Z3 (3) Develop a scatter

1.-090

Given are five observations collected in a regression study on two variables. x. 2 6 9 13 20 \"918925 Z3 (3) Develop a scatter diagram for these data. J" .V y 30 3o 30 25 25 25 20 a 20 20 15 o 15 15 1o 10 . 1o . 5 ' 5 5 . . . . . x . . . . x . . . o 5 10 15 20 25 o 10 15 20 25 o 10 15 20 0 0 (D O y 30 25 C 20 O 15 10 0 C 5 . . . . . x o 5 10 15 20 25 O 25 (b) Develop the estimated regression equation for these data. 9 = (c) Use the estimated regression equation to predict the value of y when X = 20. :l

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