0 Tube X + purses/148327/quizzes/547611/take Use the following information to answer the next 5 questions: Dr. Buzz is interested in examining the effects of caffeine on student exam scores. Dr. Buzz randomly assigns 40 students to one of four conditions (10 per condition): no coffee, one cup of coffee, two cups of coffee, or one cup of decaf coffee. Students performed their specific treatment based on their assigned condition (E.g., have their coffee or not), then took the exam. Dr. Buzz then compared the average exams scores for each group. D Question 32 2 pts What is k for this scenario? (levels of the dependent variable) O Caffeine amount O 10 O 40 students 0 4