Introducing Statistics: Are Variables Related Practice Test

A gym manager records, for 28 members, the number of minutes they exercise per workout (x) and their resting heart rate (y, beats per minute). The manager is interested in whether exercise time and resting heart rate appear to be related. Do the data suggest the variables are related?

A teacher records, for 20 students, the number of absences during a semester (x) and the student’s final course percentage (y). The teacher is interested in whether absences and final grade appear to be related. Do the data suggest the variables are related?