Steply

University Statistics

17 lessons · 361 problems solved step by step

  1. Random variables · mean and SD (23 problems)
  2. The Poisson distribution (23 problems)
  3. The geometric distribution (21 problems)
  4. Normal probabilities with the z-table (20 problems)
  5. Normal cut-offs · z from the table (20 problems)
  6. Sample means and the central limit theorem (21 problems)
  7. Confidence interval for a mean (21 problems)
  8. Confidence interval with t (21 problems)
  9. Confidence interval for a proportion (21 problems)
  10. How big a sample? (21 problems)
  11. Hypothesis test for a mean (21 problems)
  12. Hypothesis test with t (21 problems)
  13. Hypothesis test for a proportion (21 problems)
  14. Comparing two groups (21 problems)
  15. Paired samples (22 problems)
  16. Chi-square · goodness of fit (21 problems)
  17. Chi-square · test of independence (22 problems)