Astudy was done to determine the average commute time per week to and from class for an spc student attending a lecture class. for convenience, a sample of 60 students was taken by randomly selecting a lecture class on the gibbs campus (30 students), and also a lecture class on the clearwater campus (30 students). the students selected for the sample were then asked where they were commuting from, when, and how often. the information was then entered into a gps system in order to obtain estimated commuting times.
a. all spc students.
b. all full-time spc students
c. all part-time spc students.
d. all spc students who attend lecture classes.