Four students collected data for the length of an object.
student 1 student 2 student 3 student 4
5.5 5.6 7.8 8.1
which statement correctly describes the students’ data?
if the actual value is 5.6, then the data of students 1 and 2 is precise but not accurate.
if the actual value is 7, then all of the students' data is precise.
if the actual value is 8.1, then the data of students 1 and 2 is precise but not accurate.
if the actual value is 9, then none of the students’ data is precise.