D Question 29 1 pts ents Research question: On average, do STAT 200 students' statistics anxiety scores decrease from the beginning to the end of the semester? Given that Md = Mb - He, where up is the mean statistics anxiety score at the beginning of the semester and He is the mean statistics anxiety score at the end of the semester, which of the following sets of hypothesis statements should be used to test this research question? O Ho: Hd > O Ha: Hd = 0 O Ho: Hd * 0 Ha: Hd = 0 O Ho: Hd = 0 Ha: Hd * 0 O Ho: Hd = 0 Ha: Hd > 0