Subjects are said to be assigned randomly when a. every subject has an equal chance of being assigned to either the experimental or control group. b. each subject is selected to participate in an experiment from a sample that is representative of the larger population. c. each subject is assigned to experimental and control groups in such a way that the groups differ on some critical variable before the experiment begins. d. neither the experimenter nor the subject knows whether the subject is in the experimental or control group.

5/12, or 5: 12

step-by-step explanation:

graph them on a graphing calculator, press 2nd trace. select intersect. hit enter until it says answer. ti 84 works best

step-by-step explanation:

school a:

minimum value is 2

maximum value is 22

the lower quartile is 2.5

the median is 10

the upper quartile is 15.5

school b:

minimum value is 9

maximum value is 20

the lower quartile is 12

the median is 16

the upper quartile is 18

box plot for school a isn't symmetrical. the data tails on the right

box plot for school b isn't symmetrical. the data tails on the left

hope i

-lavira: )