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QUESTION 3 Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean= 81 points and standard
QUESTION 3
- Two thousand students took an exam. The scores on the exam have an approximate normal distribution with a mean= 81 points and standard deviation= 15 points.
- Calculate the first- and third-quartile scores for this exam. The middle 50% of the exam scores are between what two values?
- Usehttp://onlinestatbook.com/2/calculators/inverse_normal_dist.html
- Answer to one decimal place.
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Introduction to Probability
Authors: Mark Daniel Ward, Ellen Gundlach
1st edition
716771098, 978-1319060893, 1319060897, 978-0716771098
