Question 19 1 pts A student wants to find out if LMC students prefer eating out or eating in the cafeteria. She talks to 25 of her friends in the Transfer Academy and finds that they prefer eating in the cafeteria. She then concludes that LMC students prefer eating in the cafeteria. What is the intended population? [ Choose ] What is the actual population? [ Choose ] What is the sample? [Choose ] Question 20 1 pts A student wants to find out if LMC students prefer eating out or eating in the cafeteria. She talks to 25 of her friends in the Transfer Academy and finds that they prefer eating in the cafeteria. She then concludes that LMC students prefer eating in the cafeteria. What is the bias toward (what group is over-represented)? Transfer Academy students O LMC students College students Question 21 1 pts You fall in love with math and want to take Pre-Calculus next semester from the best professor you can find (go with me on this). The new schedule is out and you find there are 5 professors teaching Pre-Calculus in Contra Costa County Community Colleges (LMC, DVC, CCC). You decide to go to their classes this semester and interview students. Describe how you would sample 20 students using a stratified approach. Get a list of all students at LMC, DVC and CCC, Randomly select 20. Go to each class professor's class. Then randomly select students. Create a survey and give it to all their students Systematically ask your friends what they think of these professors. Spend equal amounts of time researching each professor to determine their effectiveness