FOUNDATION · STATISTICS FOR DATA SCIENCE 1
Statistics starts here.
Make sense of data.
New to statistics? Start with everyday examples, clear diagrams and small steps. Learn to read data, summarize numbers, and understand relationships between variables.
Weeks 1–427 lessonsVisual explanationsPractice with answers
Start from the beginning →Choose a week
Build your understanding in orderWEEK 1
Open week →02Getting to know data
Population and sample, cases and variables, data types, measurement scales, and working with datasets.
6 lessons · Visual examples · Revision and practiceWEEK 2
Open week →03Describing categorical data
Frequency and relative frequency, pie and bar charts, Pareto charts, misleading graphs, mode and ordinal median.
6 lessons · Visual examples · Revision and practiceWEEK 3
Open week →04Describing numerical data
Read numerical distributions, calculate center and spread, and understand both course percentile methods.
7 lessons · Visual examples · Revision and practiceWEEK 4
Open week →Association between variables
Compare category shares, read scatterplots, and explain covariance, correlation and fitted lines step by step.
8 lessons · Visual examples · Revision and practice