QUESTION 9 Suppose you want to determine the mean number of students per statistics class in your state. Describe a possible sampling method. (Choose all that apply.) )a. Use all statistics classes from each of the chosen colleges in the sample. b. Use only one statistics class from each of the chosen colleges. c. Randomly choose 25 colleges in the country. d. Randomly choose 25 colleges in the state. Oe. List all the colleges together with a two-digit number starting with 00 then 01, 02, etc and use a random number generator to pick 25 colleges