Maths-AI---Hypothesis-Testing---T-Test.pptx

Hypothesis testing

1. STARTER

2. Solution

3. STARTER

4. Solution

5. STARTER

6. Solution

7. Solution

8. Maths AI SL: Hypothesis Testing – T-test

9. Video Icons Click on the following icons throughout the presentation to take you to a video or interactive activity

10. Hypothesis Testing

11. What is a t-test? A t- test  is a statistical  test  that is  used  to compare the means of two groups. It is often  used  in hypothesis  testing  to determine whether a process or treatment actually has an effect on the population of interest, or whether two groups are different from one another.

12. Hypothesis Testing

13. One-tail vs Two-tailed t-test Hypothesis

14. T-test

15. Example

16. Exercise

17. What is a t-test?

18. Formula

19. Degrees of Freedom

20. Degrees of Freedom You have to assume that the data is normally distributed in order to conduct a t-test.

21. Normal Distribution

22. Normal Distribution Curve

23. Obtaining Evidence

24. Obtaining Evidence

25. Making Decisions

26. Summary

27. How to Use GDC to find T-value

28. Video Example

29. Example ? ?

30. ? ? ? ?

31. Example You MUST include the following to obtain full marks: t-value df p-value All rounded to 3 significant figures

32. Solution

33. GDC Steps

34. GDC Steps

35. Test Your Understanding

36. Solution

37. GDC Steps

38. GDC Steps

39. Example

40. Solution

41. Solution

42. Test Your Understanding

43. Solution

44. Test Your Understanding

45. Solution

46. Exercise

47. Solution

48. Exercise

49. Solution

50. Exam Questions

51. Solution

52. Exam Questions

53. Solution