Library/Introductory Statistics and Probability: From Data Collection to Regression/Lesson 31 of 49

Two-Sample t Test and Confidence Interval

13:28
Introduction to Statistics at SLCC
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Course Contents

  1. 1Introduction to Data10:29
  2. 2Data Basics12:31
  3. 3Data Collection10:54
  4. 4Observational Studies and Sampling Strategies15:46
  5. 5Categorical Data7:35
  6. 6Misleading Graphs4:32
  7. 7Head-Turning Case Study5:13
  8. 8Hypothesis Testing7:02
  9. 9Hypothesis Testing Continued17:06
  10. 10Simulation Case Studies8:48
  11. 11Central Limit Theorem3:13
  12. 12The Normal Distribution5:50
  13. 13Normal Table Probabilities12:07
  14. 14The 68-95-99.7 Rule8:10
  15. 15Applying the Normal Model6:49
  16. 16Confidence Intervals10:46
  17. 17Inference for a Single Proportion9:22
  18. 18Confidence Interval for a Proportion10:23
  19. 19Hypothesis Testing for a Proportion13:59
  20. 20Quantitative Plots and Means13:29
  21. 21Shape of a Distribution11:23
  22. 22Variability and the Median13:06
  23. 23Quartiles, Outliers, and Boxplots11:38
  24. 24Resistant Measures7:18
  25. 25Comparing Variability4:22
  26. 26The t Distribution5:32
  27. 27Using the t Distribution6:04
  28. 28t Confidence Interval5:52
  29. 29t Hypothesis Test9:55
  30. 30Comparing Quantitative Data Across Groups5:37
  31. 31Two-Sample t Test and Confidence Interval13:28
  32. 32Relationships Between Variables7:18
  33. 33Observational Studies vs. Experiments10:41
  34. 34Contingency Tables14:26
  35. 35Probability17:41
  36. 36General Addition Rule12:36
  37. 37Multiplication Rule15:50
  38. 38Conditional Probability12:55
  39. 39Probability Distributions8:57
  40. 40Difference of Proportions9:03
  41. 41Standard Error for Two Proportions6:31
  42. 42Two-Sample Z Test3:36
  43. 43Procedure Selection15:59
  44. 44Scatterplots6:59
  45. 45Interpreting Scatterplots4:27
  46. 46Line Fitting, Residuals, and Correlation9:23
  47. 47Fitting a Line by Least Squares Regression7:22
  48. 48Types of Outliers in Linear Regression5:04
  49. 49Inference for Linear Regression11:31
Lessons by Introduction to Statistics at SLCC on YouTube. Curated by YodaHut — we didn't make this content.