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mment T T Ta Ta T T Co 5. A patient recently diagnosed with Alzheimer's disease takes a cognitive abilities test and scores a 45.
mment T T Ta Ta T T Co 5. A patient recently diagnosed with Alzheimer's disease takes a cognitive abilities test and scores a 45. The mean on this test is 52 and the standard deviation is 5. What is the patient's percentile rank? 6. A fifth grader takes a standardized achievement test (mean = 125, standard deviation = 15) and scores a 148. What is the child's percentile rank
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