Most IQ tests scale the scores so that the mean IQ score is = 100 and
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Most IQ tests scale the scores so that the mean IQ score is μ = 100 and standard deviation is σ = 15. Suppose that 30 fourth graders in one class are given such an IQ test that is appropriate for their grade level. If the students are really a random sample of all fourth graders, what is the chance that the average IQ score for the class is above 105?
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A sample size of thirty is large enough to apply the Central Limi...View the full answer
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Related Book For
Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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