An educational researcher claims that the average GPA of graduate students at FIU is less than 3.5 . To test his claim he collected data on 81 graduate students . The sample mean GPA was 3.25 with a standard deviation of 0.3 . What is the conclusion ?  Group of answer choices A.  Reject the null hypothesis B.  Type I error C.  Fail to reject the null hypothesis D.  Reject the alternative hypothesis

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