final_s04sol

Final_s04sol - 6 1/5 7 27/32 8.0964 9 Pr(A and B)=Pr(A)Pr(B 10 t=(xbar-8.0.81/sqrt(10 11 t&gt 1.383 12 Type I error 13 A number close to-1

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Solutions to Final Exam, ST 370 Online/Distance, Spring 2004 1. sample median and sample mean 2. Weibull (Poisson and binomial are important discrete r.v.'s) 3. Statistically significant but not practically significant means the mean difference must be small (not practically significant), and in that case one must have large sample sizes to get statistical significance (small p-values). 4. 5 5. 2.05
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Unformatted text preview: 6. 1/5 7. 27/32 8. .0964 9. Pr(A and B)=Pr(A)Pr(B) 10. t=(xbar-8.0)/[.81/sqrt(10)] 11. t > 1.383 12. Type I error 13. A number close to -1, say -.9 or -.95 14. (.004,.130) 15. levels of a factor 16. -.020833 and .020833 17. polyester 18. fabric 19. .42 20. 14.76 21. Central Limit Theorem 22. (42-2.093(2.1)/sqrt(20),42+2.093(2.1)/sqrt(20)) 23. t < -2.539 24. 0.94 25. 1.475...
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This note was uploaded on 01/16/2012 for the course ST 370 taught by Professor Nail during the Spring '08 term at N.C. State.

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