2. AP STATS EXAM REVIEW

3. 500 400 300 200 100 Chapter 8 Chapter 13 and 14 Chapter 11 and 12 Chapter 9 and Chapter 10 Chapter 7

4. This type of variable has a countable number of outcomes Categories

5. Discrete

6. The normal distribution is this type of probability distribution Categories

7. continuous

8. This is what the law of large numbers means Categories

9. As the number of observations increases, the mean of the observed values eventually approaches the mean of the population

10. This is how to find the mean of a discrete distribution Categories Chapter 7 400 Points

11. Categories The sum of each x multiplied by its probability Chapter 7 400 Points

12. σ 2 of a + bx equals Categories Chapter 7 500 Points

13. Categories b2σ2b2σ2 Chapter 7 500 Points

14. These are the three pieces of information you must have in order to find a binomial probability (put them in order like you would on your calculator Categories Chapter 8 100 Points

15. Categories N, p, r

16. Chapter 8 200 Points This distribution allows you to find the probability of having a certain number of failures before your first success Categories

17. geometric Chapter 8 200 Points

18. Chapter 8 300 Points A basketball player makes 80% of his free throws. What is the probability that he will make 5 shots before he misses Categories

19. Chapter 8 300 Points Categories.8 5 (.2) =.0655

20. Suppose you purchase a bundle of 10 bare-root broccoli plants. The sales clerk tells you that on average you can expect 5% of the plants to die. Find the probability that you will lose at most one of the broccoli plants. Categories Chapter 8 400 Points

21. Categories Binomialcdf(10,.05, 1) =.9138 Chapter 8 400 Points

22. The four conditions which make a situation binomial Categories Chapter 8 500 Points

23. Categories Two outcomes (success and failure), fixed number of trials, independent trials, same probability for each trial Chapter 8 500 Points

24. This rule states that for a large sample size the sampling distribution of x-bar if approximately normal Categories Chapter 9 100 Points

25. Chapter 9 and 10 100 Points Categories Central limit theorem

26. Chapter 9 and 10 200 Points This is how you check if the sampling distribution of p-hat is normal Categories

27. np greater than or equal to 10 Chapter 9/10 200 Points

28. Chapter 9/10 300 Points This is the definition of a type I error Categories

29. Chapter 9/10 300 Points Categories Rejecting the null hypothesis when it is actually true

30. Meaning of a type II error Categories Chapter 9/10 400 Points

31. Categories We accept the null hypothesis but it is actually false Chapter 3/4 400 Points

32. This is the probability that a test will reject the null when it is not true (correct decision) Categories Chapter 9/10 500 Points

33. Categories power Chapter 9/10 500 Points

34. This is the number of degrees of freedom for a one or two sample mean Categories Chapter 11/12 100 Points

35. Categories n-1

36. Chapter 11/12 200 Points This situation requires this type of hypothesis test: to test the effect of background music on productivity, factory workers are observed. For 1 month they had no background music. For another month they had background music Categories

37. matched pairs Chapter 11/12 200 Points

38. Chapter 11/12 300 Points This is the standardized statistic for a 99% CI for a proportion Categories

39. Chapter 11/12 300 Points Categories 2.576

40. This is the standardized test statistic for a 95% CI of a mean with n= 30 Categories Chapter 11/12 400 Points

41. Categories 2.045 Chapter 11/12 400 Points

42. This is the statistic for a two sample proportion test Categories Chapter 11/12 500 Points

43. Categories Phat 1 – phat 2 Chapter 11/12 500 Points

44. This is the null hypothesis for a chi- square goodness of fit Categories Chapter 13/14 100 Points

45. Categories The population proportions equal the hypothesized values

46. Chapter 13/14 200 Points This is how to find the expected value on in a two-way table Categories

47. (row total x column total)/ table total Chapter 13/14 200 Points

48. Chapter 13/14 300 Points This is the one condition for a chi- squared test Categories

49. Chapter 13/14 300 Points Categories all expected values are greater than or equal to 5

50. This is the number of degrees of freedom in a slope test Categories Chapter 13/14 400 Points

51. Categories N - 2 Chapter 13/14 400 Points

52. This is how you find the standard error of the slope (used in a confidence interval) Categories Chapter 13/14 500 Points

53. Categories T = b/SEb Chapter 13/14 500 Points

54. The Daily Double Categories