A curious professor is curious about the study habits of students. For one of her questions, she wants to know if the number of hours students spend studying during the week before final exams can be predicted by their GPA's up until that point. More specifically (pertaining to this question), will the means of study hours be the same for four groupings of GPA? She collects study time data on 40 random students divided into 4 GPA brackets (groups); the data are attached below. Question 1: What is the null hypothesis of this research question? Number of hours spent studying cannot predict GPA b. GPA cannot predict number of hours spent studying c. This question has no null hypothesis a.

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