Table of Contents
Summarizing & Describing Numerical Data
Learning Objectives
Standard Notation
Numerical Data Properties
Numerical Data Properties & Measures
Arithmetic Mean
Mean Example
Median
Median Examples (Even-Sized Samples)
Median Examples (Odd-Sized Samples)
Median Examples (Ties in the Data)
Mode
Mode Examples
Mode Examples
Midrange
Midrange Example
Midhinge
Quartiles
Quartile and Midhinge Examples
Quartile and Midhinge Examples
Summary of Central Tendency
Numerical Data Properties & Measures
Range
Range Example
Interquartile Range
Interquartile Range Example
Variance & Standard Deviation
Sample Variance Formula
Sample Standard Deviation Formula
Sample Variance and Sample Standard Deviation Example
Sample Variance Calculator Formula
Sample Variance and Sample Standard Deviation Example
Coefficient of Variation
Coefficient of Variation Example
Coefficient of Variation Example
Summary of Variation Measures
Numerical Data Properties & Measures
Shape
Comparison of Shapes of Three Data sets (Figure 3.7)
Five-Number Summary (Symmetrical Distribution)
Five-Number Summary (Nonsymmetrical Distribution)
Determining the 5-Number Summary Example
Box-and-Whisker Plot
Shape & Box-and-Whisker Plot
Numerical Data Properties & Measures
Conclusion
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