A random sample of 35 students who have taken STT101A under Dr. LeBron James were asked about their STT101A (raw) grade. The sample mean was found to be 90. Which of the following statements is true? O The best point estimate for the mean STT101A grade under Dr. James is 90 O The true mean grade for all STT101A students is 90. O The true mean grade for all STT101A students under Dr. James is 90. The best point estimate for the mean STT101A grade for all students is 90.

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