233,457.75
directly in the middle
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:
b
Step-by-step explanation:
6 is repeating
fillerfillerfilller
The averages are very different because there was a wide range of test scores among students
The quadcopter's average velocity is given in terms of change in position by

where
, the difference in the quadcopter's final and initial positions and
.
The
-component of the average velocity is 2.70 m/s, so

and the
-component is -2.50 m/s, so
