Randomization is important when assigning the students to the treatment and control groups to ensure what? A.

B.

C.

D.

it is 10.6 according to my calculations

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)