2. Don’t yell Don’t argue and Have fun!

3. Unit 7 Review JEOPARDY 300 500 400 100 7.3/7.4 200 300 400 500 100 200 100 400 300 500 7.1 200 300 400 500 100 200 300 400 500 100 200 7.2 7.57.7

4. 7.1 100 Vocabulary: ___________ is a graph of a set of data pairs (x, y)

5. 7.1 100 What is SCATTER PLOT

6. 7.1 200 Vocabulary: _______________ is a linear model used to fit a line to a data set

7. 7.1 200 What is MEDIAN-MEDIAN LINE

8. 7.1 300 For the scatter plot tell whether it has a positive, negative, or no correlation

9. 7.1 300 What is POSITIVE CORRELATION

10. 7.1 400 For the scatter plot tell whether it has a positive, negative, or no correlation

11. 7.1 400 What is NO CORRELATION

12. 7.1 500 Find the equation of the median- median line for the data below:

13. 7.1 500 What is y = 2x + 36

14. 7.2 100 Vocabulary: _________________ is the process of finding a the best fitting quadratic model for a set of data

15. 7.2 100 What is QUADRATIC REGRESSION

16. 7.2 200 Vocabulary: Finding a line or a curve that matches a set of data points is called _______________

17. 7.2 200 What is CURVE FITTING

18. 7.2 300 Write the quadratic function whose graph has vertex (-2, 3) and passes through the point (-1, 1)

19. 7.2 300 What is y = -2(x + 2) + 3

20. 7.2 400 Write the quadratic function whose graph has vertex (1, -4) and passes through the point (0, -3)

21. 7.2 400 What is y = (x – 1) 2 - 4

22. 7.2 500 Write a quadratic function whose graph has x-intercepts -2 and 1 and point (-1, -4)

23. 7.2 500 What is y = 2(x + 2)(x – 1)

24. 7.3/7.4 100 Vocabulary: ____________ are numerical values used to summarize and compare sets of data

25. 7.3/7.4 100 What is STATISTICS

26. 7.3/7.4 200 Vocabulary: A normal distribution is modeled by a bell-shaped curve called a ________________ that is symmetric about the mean

27. 7.3/7.4 200 What is NORMAL CURVE

28. 7.3/7.4 300 Find the mean, median, and mode of the data set below

29. 7.3/7.4 300 What is Mean: 19, Median: 18, Mode: 17

30. 7.3/7.4 400 Give the percent of the area under the normal curve represented by they shaded region below

31. 7.3/7.4 400 What is.815 or 81.5%

32. 7.3/7.4 500

33. What is.815 or 81.5%

34. 7.5 100 Identify the type of sample:

35. 7.5 100 What is SELF-SELECTED

36. 7.5 200 Identify the type of sample:

37. 7.5 200 What is CONVENIENCE

38. 7.5 300 Tell whether the sample is biased or unbiased:

39. 7.5 300 What is UNBIASED

40. 7.6 400 Tell whether the sample is biased or unbiased:

41. 7.6 400 What is BIASED

42. 7.6 500 Find the margin of error: In a survey of 990 workers, 30% said that eat at home during a typical work week

43. 7.6 500 What is ± 0.032

44. 7.7 100 Name the function below y = 2x 2 + 7x – 9

45. 7.7 100 What is QUADRATIC

46. 7.7 200 Name the function below: y = 3 x

47. 7.7 200 What is EXPONENTIAL

48. 7.7 300 Determine which function represents the graph below:

49. 7.7 300 What is LINEAR

50. 7.7 400

51. What is A: y = 35.3(0.84) x

52. 7.7 500

53. What is C: y = 0.05x 2 – 1.06x + 6.69