A group of researchers wants to see if drinking green tea af…
A group of researchers wants to see if drinking green tea affects cholesterol levels in adults. They recruit 50 participants and randomly assign them into two groups. Group A drinks two cups of green tea daily for four weeks, while Group B drinks water (placebo). At the end of the study, they measure cholesterol levels in all participants. Based on this experiment, which of the following would be an appropriate hypothesis?