Question : 51. Pretend that you want to determine the relationship between caffeine : 1246151
51. Pretend that you want to determine the relationship between caffeine intake and performance on a midterm exam. As students sit down to take the exam, you ask them to write the number of cups of tea, soda, or coffee they ingested two hours prior to the exam. You also obtain their exam scores. You calculate the correlation coefficient between the two variables to be […]