8.
determine which sampling method was used in the following study.

a certain species of tree in gove county, kansas was dying off due to an infestation. a study was produced to determine the percentage of trees that were dying due to this infestation. rangers went across the entire county and checked every tree to determine whether or not it was infested.

voluntary response

sample

census

random selection

Is it true or false i’m trying to pass this test so i can leave school

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)

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). =