MathematicsCoreMTH-STATS-214
Sampling & Bias
random sampling, sampling distributions, standard error
- Difficulty
- 3 / 5
- Importance
- 5 / 5
- Study time
- 4–7.5 h
- Kind of work
- Mixed
Why it matters
Turning data into decisions under uncertainty; the quantitative backbone of business analytics, science and ML evaluation.
Where it is used
A/B testing, market research, QC, clinical trials, customer analytics, experimentation platforms.
How you know you have learned it
Solve ≥10 representative problems with ≥80% adjusted accuracy.
Resources
- Statistics (Freedman, Pisani & Purves) — Freedman, Pisani & Purves Book
- Statistics (Freedman, Pisani & Purves) — Freedman, Pisani & Purves Book
- The Elements of Statistical Learning — Hastie, Tibshirani & Friedman Book