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- Step 1: Compare The Medians of Box Plots
- Step 2: Compare The Interquartile Ranges and Whiskers of Box Plots
- Step 3: Look For Potential Outliers
Compare the respective medians of each box plot. If the median line of a box plot lies outside of the box of a comparison box plot, then there is likely to be a difference between the two groups. Source: https://blog.bioturing.com/2018/05/22/how-to-compare-box-plots/
Compare the interquartile ranges (that is, the box lengths) to examine how the data is dispersed between each sample. The longer the box, the more dispersed the data. The smaller, the less dispersed the data. Next, look at the overall spread as shown by the extreme values at the end of two whiskers. This shows the range of scores (another type of d...
When reviewing a box plot, an outlier is defined as a data point that is located outside the whiskers of the box plot.
What is a Box Plot? A box plot, sometimes called a box and whisker plot, provides a snapshot of your continuous variable’s distribution. They particularly excel at comparing the distributions of groups within your dataset. A box plot displays a ton of information in a simplified format.
A box plot is a diagram which summaries the key features of a data set using just 5 key values. These can be found easily once the values are arranged in order.
Mar 21, 2024 · Learn what box plots are, how to read one, the advantages and disadvantages of box plots, and how you can transform your data into this powerful visualization.
Boxplot definition. A boxplot provides an effective summary of one or more numeric variables, showcasing key statistical features through its distinct elements: Median Line: The line that divides the box represents the median of the data.
In 1977, John Tukey published an efficient method for displaying a five-number data summary. The graph is called a boxplot (also known as a box and whisker plot) and summarizes the following statistical measures: median. upper and lower quartiles.
