Answer:
D. a matched pairs experiment.
Step-by-step explanation:
A matched pairs experiment can be designed when there are only two possible treatment conditions (Screen A and Screen B) within an experiment and the subjects can be accordingly grouped into pairs (Both sides of the body of a same person, since both sides present the same skin complexion). Within each pair (both sides of the subject's body), subjects are randomly assigned (coin toss) to different treatments.
Therefore, this experiment is an example of a matched pairs experiment.
Answer:
its c
Step-by-step explanation:
where are the anglessssssssss
60 divided by 4 is 15. so 2*15= 30 // 6*15= 90 // 8*15=120
Answer:
not telling u the answer but first multiply 2 x 2 1/2 (4 1/2) then add that to 6 2/5
Step-by-step explanation:
