Steply

Statistics

16 lessons · 322 problems solved step by step

  1. Bar charts and dot plots (20 problems)
  2. Histograms (21 problems)
  3. Mean of grouped data (20 problems)
  4. Histograms with unequal class widths · frequency density (20 problems)
  5. Stem-and-leaf plots (20 problems)
  6. Percentiles (20 problems)
  7. Cumulative frequency · running total, graph, median, quartiles (20 problems)
  8. Box plots (20 problems)
  9. IQR and outliers (20 problems)
  10. Standard deviation (20 problems)
  11. Scatter plots and correlation (21 problems)
  12. The correlation coefficient (20 problems)
  13. Line of best fit (20 problems)
  14. Residuals (20 problems)
  15. The normal curve (20 problems)
  16. z-scores (20 problems)