Question 6: 225 students are writing the final exam in Dr. Strangepork's course on statistics. Use...
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Question 6: 225 students are writing the final exam in Dr. Strangepork's course on statistics. Use the same population parameters as Question 5 (i.e., = 65 and = 14). (18 marks) a) What T-score is associated with an exam grade of 62 (5 marks)? b) What score on the final exam would be associated with a T-score of 61 (5 marks)? c) Dr. Strangepork decides to curve (rescale) the grades so that the new mean will be 75 and the new standard deviation will be 8. Determine the new scores for original scores of 86 and 44. Who benefited more from the rescaling (8 marks)? Question 6: 225 students are writing the final exam in Dr. Strangepork's course on statistics. Use the same population parameters as Question 5 (i.e., = 65 and = 14). (18 marks) a) What T-score is associated with an exam grade of 62 (5 marks)? b) What score on the final exam would be associated with a T-score of 61 (5 marks)? c) Dr. Strangepork decides to curve (rescale) the grades so that the new mean will be 75 and the new standard deviation will be 8. Determine the new scores for original scores of 86 and 44. Who benefited more from the rescaling (8 marks)?
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