1. Graphs for one continuous variable
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Histogram
Description: Shows distribution of observations of a sample. Bars represent the number of observations within ranges of values.
Requires: one continuous variable.
Command: Histogram
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Cumulative frequency distribution.
Description: For each value of the variable the percentage of elements equal to or less than that value is plotted.
Requires: One continuous variable.
Command: Cumulative frequency distribution
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Normal plot
Description: Plots the sample data against their normal scores. Observations from a Normally distributed sample should follow a straight line.
Requires: One continuous variable
Command: Normal plot
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Box-and-whisker plot
Description: Graphical representation of non-parametric descriptive statistics, identifies outliers.
Requires: One continuous variable.
Command: Box-and-whisker plot
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