Data analysis tools

1. Data analysis tools for graphical methods of describing data:

  • Bar graphs
  • Circle graphs Or pie charts
  • Histograms
  • Frequency distribution
  • Frequency polygon
  • Scatter plot
  • Time plot
  • Box plot
  • Box and whisker plot

2. Data analysis tools for numerical methods of describing data:

1.Measures of central tendency

  • Arithmetic mean/Statistical Mean/Average
  • Weighted mean/weighted average
  • Median
  • Mode
  • Bimodal
  • 2. Measures of position
    • First term, middle term, last term.
    • Median
    • Quartile
    • Percentiles
  • 3.Measures of dispersion
    • Range
    • Interquartile range
    • Outliers
    • Box plot
    • Box and whiskers plot
    • Sample Standard deviation
    • Population standard deviation
    • Relative standard deviation
    • Coefficient of variation
    • Standardization
    3. Data analysis tools for Counting:
    • Sets
    • Lists
    • Inclusive counting/exclusive counting/inclusive-exclusive counting
    • Venn diagrams
    • Fundamental rule of counting/Multiplication rule
    • Factorials
    • Permutations
    • Combinations

    4. Data analysis tools for Probability

    • Sample space
    • Exclusive events, Exhaustive events, equally likely events.
    • Independent events
    • Probability formulas

    5. Data analysis tools for distribution of data

    • Relative frequency distribution
    • Random variable
    • Probability distribution
    • Normal distribution
    Statistical data analysis