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