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Statistics (II. Probability Theory, Slide 139 - 323 (II.IA. Counting…
Statistics
II. Probability Theory, Slide 139 - 323
II.IA. Counting Principles, Slide 140 - 156
- What is a factorial? Exp?
- Why are there no negative numbers in binominal coefficient?
- What is the purpose of counting principle?
- What is the difference between permutation and combination?
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II.IB. Fundamentals of Prob. Theory, Slide 157- 195
- What is the difference between elementary event and event?
- Are complementary events disjoint? Are disjoint events complementary?
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I. Descriptive Statistics, Slide 1 - 138**
I.I. Statistical Attributes and Variables, Slide 1 - 34
- What is the difference between characteristics and variable?
- What are the types of scales? Exp?
- Why are mainly representative random samples taken?
- What characteristics does the step function have? Whats the significance?
- Why is it necessary to form class intervals? Exp?
- What are the assumptions for approximating distribution function?
- What is the difference between bar chart and histogram? When do they look alike?
I.II. Measures to describe statistical distributions, Slide 35 - 76
- What is the central feature of arithmetic mean?
- When is arithmetic mean and geometric mean used and why?
- How does the variance change if values of a data set are changed/converted? Exp: DM into EUR
- What is the motion block as a characteristic of the variance?
- What is the minimum characteristic of the variance? What is the principle of the smallest square?
I.IIIA. Two dimensional distributions, Slide 77 - 112
- What is the difference between univariate and multivariate statistics? Exp for bivariate statistics?
- What is the structure of contingency table and what is its purpose? Are there contingency tables for more than two variables?
- How many marginal distributions does a 3D statistical distribution have?
- What is the variance of a sum smaller than the sum of the variance?
- What is statistical independence? Relation to Covariance?
- What is the correlation coefficient? What does a correlation coefficient of 0 mean?
- What is a rank correlation? How to measure?
I.IIIB. Linear Regression, Slide 113- 138
- What are the characteristics of an average linear relationship of two variables?
- What are "normal equations"?
- What is the principle of least squares?
- Four characteristics of least squares to calculate a regression line?
- What is the relationship between slope of regression line and correlation coefficient?
- Relationship between R² and correlation coefficient?
- What is the linear and non-linear regression calculation?
III. Inferential Statistics, Slide 324 - 434