The scatterplot below shows the relationship between the number of minutes a student studied for a test and the grade the student received for the test in Ms. Miller’s class.


Which conclusion is BEST supported by the data?

A student who studies 45 minutes will receive a grade of 75 on the test.


A student who studies 80 minutes will receive a grade of 95 on the test.


A student who studied longer always did better than a student who studied less.


A student who studied longer generally did better than a student who studied less.