Modules Determine what the key terms refer to in the following survey. To determine the average number of classes Oxnard College students were taking, a group of 31 Oxnard College students were given and answered the following survey. How many classes you are taking this semester? 1 2 3 04 Population Statistic Parameter Sample a. The average number of classes of those 31 students in the sample is 2 b. The 31 Oxnard College students who were surveyed c. The average number of classes of all students in Oxnard College is 2.6 d. All students in Oxnard College Check