The standardized IQ test is described as a normal distribution with 100 as the mean score and
Question:
The standardized IQ test is described as a normal distribution with 100 as the mean score and a 15-point standard deviation.
1. What is the Z score for a score of 150?
2. What percentage of scores are above 150?
3. What percentage of scores fall between 85 and 150?
4. Explain what is meant by scoring in the 95th percentile? What is the corresponding score?
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1 Z score 150 15 100 100 150 2 Percentage above 150 50 3 Percentage between 85 and 150 49 4 The c...View the full answer
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Related Book For 
Social Statistics For A Diverse Society
ISBN: 9781506347202
8th Edition
Authors: Chava Frankfort Nachmias, Anna Y. Leon Guerrero
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