Basic Statistics
Please find below all videos of the Coursera course “Basic Statistics”. I developed these videos together with Emiel van Loon, Annemarie Zand Scholten, Auke Hamers, Antoine Ruedisueli and Marie-Anne van Stam. Here‘s the link to the full course. Enjoy!
Introduction (Matthijs Rooduijn & Emiel van Loon)
Module 1: Exploring data (Matthijs Rooduijn)
- Cases, variables and levels of measurement
- Data matrix and frequency table
- Graphs and shapes of distributions
- Mode, median and mean
- Range, interquartile range and box plot
- Variance and standard deviation
- Z-scores
- Example
Module 2: Correlation and regression (Matthijs Rooduijn)
- Crosstabs and scatterplots
- Pearson’s r
- Regression – Finding the line
- Regression – Describing the line
- Regression – How good is the line
- Correlation is not causation
- Example contingency table
- Example Pearson’s r and regression
Module3: Probability (Emiel van Loon)
- Randomness
- Probability
- Sample space, event, probability of event and tree diagram
- Quantifying probabilities with tree diagram
- Basic set-theoretic concepts
- Practice with sets
- Union
- Joint and marginal probabilities
- Conditional probability
- Independence between random events
- More conditional probability, decision trees and Bayes’ Law
Module 4: Probability distributions (Emiel van Loon)
- Random variables and probability distributions
- Cumulative probability distributions
- The mean of a random variable
- Variance of a random variable
- Functional form of the normal distribution
- The normal distribution: probability calculations
- The standard normal distribution
- The binomial distribution
Module 5: Sampling distributions (Matthijs Rooduijn)
- Sample and population
- Sampling
- The sampling distribution
- The central limit theorem
- Three distributions
- Sampling distribution proportion
- Example
Module 6: Confidence intervals (Matthijs Rooduijn)
- Statistical inference
- CI for mean with known population sd
- CI for mean with unknown population sd
- CI for proportion
- Confidence levels
- Choosing the sample size
- Examples
Module 7: Significance Tests (Matthijs Rooduijn)