35. Working with estimators and estimates
Quiz 16: Estimators and estimates
36. Confidence intervals - an invaluable tool for decision making
37. Calculating confidence intervals within a population with a known variance
38. Confidence intervals. Population variance known. Exercise
39. Confidence interval clarifications
Quiz 18: Student's T distribution
41. Calculating confidence intervals within a population with an unknown variance
42. Population variance unknown. T-score. Exercise
43. What is a margin of error and why is it important in Statistics?