Question

In a study about the effects of caffeine on student test

scores, researchers collected data about amounts of
caffeine consumed prior to a test and test scores. They
represented the data in a graph.
Caffeine consumed (mg)
Test score (percentage)
What explanation could the researchers give about these factors?
A. There is no correlation between amount of caffeine consumed and test score
B. There is evidence that a decrease in the amount of caffeine consumed caused a decrease in test scores
C. There is a correlation between caffeine and test score, but not enough to show cause.
D. There is evidence that an increase in the amount of caffeine consumed caused a decrease in test scores.

Answer 1

Step-by-step explanation:

i don't really know what everyone is talking about in those comments but the answer is A

Answer 2

Your answer is A. There is no correlation between the amount of caffeine consumed and test scores.