Converting Z and Raw Scores Scores on the SAT form a normal distribution with a mean of 500 and standard deviation of 100. What is the minimum score necessary to be in the top 15% of the SAT distribution? 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? Pat and Chris both took a spatial abilities test (mean = 80, std. dev. = 8). Pat scores a 76 and Chris scored a 94. What percent of individuals would score between Pat and Chris? A population has a mean of 100 and standard deviation of 30. What is the raw score corresponding to the following z-scores? A = 2.0; B = -1.5; C = -0.2.

Q1. To find the minimum score necessary to be in the top 15% of the SAT distribution, we need to…

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10th Edition

ISBN:9780134641287

Author:Elliot Aronson, Timothy D. Wilson, Robin M. Akert, Samuel R. Sommers

Publisher:Elliot Aronson, Timothy D. Wilson, Robin M. Akert, Samuel R. Sommers

Chapter1: Introducing Social Psychology

Section: Chapter Questions

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Converting Z and Raw Scores

Scores on the SAT form a normal distribution with a mean of 500 and standard deviation of 100. What is the minimum score necessary to be in the top 15% of the SAT distribution?

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?

Pat and Chris both took a spatial abilities test (mean = 80, std. dev. = 8). Pat scores a 76 and Chris scored a 94. What percent of individuals would score between Pat and Chris?

A population has a mean of 100 and standard deviation of 30. What is the raw score corresponding to the following z-scores? A = 2.0; B = -1.5; C = -0.2.

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