# How To Read A Box And Whisker Plot

## What is how to read a box and whisker plot?

A box and whisker plot, also known as a box plot, is a graphical representation of a dataset that shows the distribution and range of values. It is commonly used in statistics to summarize and compare data sets. The plot consists of a box that represents the interquartile range (middle 50% of the data), a line or whisker that extends from the box to show the minimum and maximum values, and a line inside the box that indicates the median. By understanding how to read a box and whisker plot, you can gain insights into the spread and central tendency of the data.

## What are the types of how to read a box and whisker plot?

There are three main types of box and whisker plots that you may encounter: 1. Simple Box and Whisker Plot: This is the most basic type, showing the minimum, first quartile, median, third quartile, and maximum values. 2. Notched Box Plot: This type includes a notch in the box to provide a rough comparison between groups. 3. Outliers Box Plot: This type includes outliers, which are data points that are significantly different from the majority of the data. These outliers are represented as individual points outside the whiskers.

Simple Box and Whisker Plot
Notched Box Plot
Outliers Box Plot

## How to complete how to read a box and whisker plot

To complete a box and whisker plot, follow these steps: 1. Organize your data: Arrange the data set in ascending order. 2. Find the median: Determine the median, which is the middle value of the data set. 3. Find the quartiles: Divide the data set into four equal parts by finding the first quartile (the median of the lower half of the data) and the third quartile (the median of the upper half of the data). 4. Draw the box: Draw a box from the first quartile to the third quartile, with the median line inside. 5. Add the whiskers: Extend lines (whiskers) from the box to the minimum and maximum values of the data set. 6. Identify outliers: Look for data points that fall outside the whiskers and mark them as outliers, if present. By following these steps, you can accurately complete a box and whisker plot and effectively analyze the distribution of your data.

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02
Find the median
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Find the quartiles
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Draw the box
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Identify outliers

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