1. 200 pt 300 pt 400 pt 500 pt 100 pt 200 pt 300 pt 400 pt 500 pt 100 pt 200pt 300 pt 400 pt 500 pt 100 pt 200 pt 300 pt 400 pt 500 pt 100 pt 200 pt 300 pt 400 pt 500 pt 100 pt Dispersion RatesRisks Hypothesis Testing Potpourri

2. Preferred measure of dispersion for normal distributions.

3. Standard Deviation

4. Preferred measure of dispersion for skewed distributions.

5. Inter-Quartile Range (IQR)

6. Percent of distribution ±1sd

7. 68%

8. Percent of distribution ±2sd

9. 95%

10. Percent of distribution in IQR

11. 50%

12. Measures patients who die from lung cancer

13. Case Fatality

14. Measures new cases of influenza in California for 2005

15. Incidence

16. Measures an outbreak of e. coli at a school picnic

17. Attack

18. Measures the % of HMs with diabetes

19. Prevalence

20. Measures annual deaths in California assisted living residences

21. Mortality

22. I e – I ø

23. Attributable

24. Incidence Rate of exposed group

25. Absolute

26. The difference in incidence rates

27. Attributable

28. The ratio of incidence rates

29. Relative

30. Food with the highest Attributable Risk or Relative Risk

31. Suspected Food

32. 2 x2 table to study possible associations

33. Contingency

34. 2x2 table to choose test of hypothesis

35. Expected Value

36. Interpretation of p=.381

37. Not Significant

38. Interpretation of x 2 =42.831

39. (Highly) Significant

40. Interpretation of x 2 =3.84

41. Not Significant

42. (x-x) 2 n-1

43. Variance

44. a/H1-c/H2

45. Attributable Risk

46. d’ = 3.841

47. Fisher’s Exact Test must be used

48. Interpret x 2 =0.05

49. Not Significant

50. I e ÷ I ø

51. Relative Risk

52. FINAL JEOPARDY!

53. Final Jeopardy Category: Biostatistics

54. The consequences of allowing bias in selecting a sample.

55. Pens down!

57. What are incorrect conclusions about the population you are studying?

58. Thank you for playing Biostatistics Jeopardy!