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Mathematics, 24.03.2021 20:10 chem1014

To predict the performance of period class on their next ​, a teacher randomly selects students from the class and takes the mean of their scores on the last . Is this sample representative of the​ class's performance on the ​? Use pencil and paper. Explain. Is this sample representative of the​ class's performance on the ​? A. ​No, because the students were chosen from the best students in the class. B. ​Yes, because the students were chosen based on their class average. C. ​No, because it is a simple random sample. D. ​Yes, because it is a simple random sample.

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