Great gummies wants to see if their new candy is enjoyed more by high school or middle school students. they decide to visit one middle school and one high school in hollywood, ca. after interviewing the students at each school, they determine that middle school students like their candy more than the high school students do. what is the sample of the population? a) all students who attend middle school or high school in the country b)all students who attend middle school or high school in hollywood, ca c)all students who attend middle school or high school in california d)all students who attend one middle school and one high school in hollywood, ca