Exercise 26 proposes modeling iq scores with n (100, 16). what iq would you consider to be unusually high? explain.

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Mathematics

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14 May, 20:57

Exercise 26 proposes modeling iq scores with n (100, 16). what iq would you consider to be unusually high? explain.

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Charles Hooper · Answer 1

N (100, 16) means a normally distributed population with a mean of 100 and a standard deviation of 16.

Using the 95% confidence level factor (1-tail), which is approximately 1.65, then, any IQ that exceeds:

100 + 16*1.65 is higher than 95% of the population. I'd consider that unusually high.