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Unformatted text preview: ) d) e) f) g) 4) Refer to the Chance (Winter 2001) study of students who paid a private tutor to help them improve their SAT scores, presented in Exercise 2.101 (p.74). The table summarizing the changes in both the SATMathematics and SATVerbal scores for these students is reproduced here. Assume that both distributions of SAT score changes are approximately normal. a) b) SA c) S A TV e r b a Week 05 Exercises l d) Mean change in score e) 19 f) 7 g) Standard deviation of changes in score. h) 65 i) 4 9 j) k) Compute the probability that a student increases his or her score on the SATMath test by at least 50 points? Show calculations. l) m) n) o) p) q) r)...
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This note was uploaded on 05/09/2010 for the course STA 4020 taught by Professor Yongxiakuang during the Spring '10 term at Rasmussen College.
 Spring '10
 YONGXIAKUANG
 Statistics, Probability

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