How many students scored between +- 1 s
Assume that IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Assume 1000 freshmen took the test.
1. What are the scores at +- 2σ ?2. How many students scored between +- 1 σ?
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Which of the following is true concerning planet Earth?
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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