SBA Resources

Welcome to the unofficial Website for Statistics for Business Administration.

Here you can find an overview over most of the formulas that are provided in the lecture together with explanations and examples.

Note: This website is a Work-In-Progress. If you feel like something is missing tell us, write us via WhatsApp or add it yourself!

Table of Contents

Summaries

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Descriptive Statistics and exploratory data analysis

1. Basic Concepts of Statistics
2. How to obtain data
3. Feature Types and Scales
4. Frequencies
5. Graphical Representations
6. Cumulative Frequencies
7. Central tendency measures
8. Measurement of dispersion
9. Joint Frequencies
10. Conditional Frequencies
11. Chi-squarred Coefficient
12. Contingency Coefficient
13. Empirical Covariance
14. Bravais-Pearson Correlation Coefficient
15. Spearman‘s (Rank) Correlation Coefficient
16. Method of Least Squares
17. Coefficient of Determination and Residual Analysis

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Probability calculus

1. Laplace Probability
2. Calculation Rules for Probabilities
3. Concept of Objective Probability
4. Conditional Probabilities
5. Distribution Function
6. Probability Mass Function
7. Central tendency measures for discrete random variables
8. Distribution measures for discrete random variables
9. (In)dependence of continuous crandom variables
10. Continous random variables: coming soon!
11. Density
12. Central tendency and dispersion measures for continuous random variables

Overview: distributions

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Statistical inference or inductive statistics

1. Point estimation
2. Unbiased estimators
3. Mean squared error and consistency
4. Construction of estimation functions
5. Interval estimation

Overiew: statistical tests

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Other (Useful Documents)

1. R Cheat Sheet (german only)