Select all tables that represent a proportional relationship between x and y. x 2 6 7 10
y 8 24 28 40

x –2 0 3 5
y –6 0 9 15

x –8 –6 –4 –2
y –9 –7 –5 –3

x 0 5 10 15
y 10 15 20 25

x 0 1 2 3
y 4 5 6 7

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =