Mathematics, 02.11.2020 22:30 kaiyerecampbell95

2. IQ tests are usually designed so that the scores are normally distributed with mean 100 and standard deviation 15. Suppose the Faculty of Education and Department of Psychology at ABC getſ together to
design a new IQ test for middle school children which will follow this pattern.
(a) (2 points) What score would a child have to get to fall into the top 10% of all test takers?
(b) (3 points) What is the range of scores making up the interquartile range?
17

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2. IQ tests are usually designed so that the scores are normally distributed with mean 100 and stand...