Dotplots
Definition
Dotplots are simple graphical displays that use dots to represent individual data points. They provide a visual representation of the distribution and allow us to see patterns, gaps, clusters, or outliers in the data.
Analogy
Imagine you have a jar filled with different colored candies. You take each candy out one by one and place a dot on a piece of paper for each candy based on its color. As you continue this process, you start seeing patterns emerge - some colors appear more frequently than others, while some may be rare.
Related terms
Outliers: Data points that significantly differ from other values in a dataset.
Measures of Dispersion: Statistical measures like range, interquartile range (IQR), variance, and standard deviation that quantify the spread or variability of data.
Bivariate Data: Data sets that involve two variables and can be analyzed using scatter plots or correlation coefficients.
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