# Box Plot Example Pdf To Print

When it comes to visualizing a summary of a large data in 5 numbers, many real-world box and whisker plot examples can show you how to solve box plots. A box and whisker plot also known as a box plot is a graph that represents visually data from a five-number summary.

## Probability Density Function

These numbers are median, upper and lower quartile, minimum and maximum data value extremes. To put it in another way, we have 3 key points. The first is the middle point the median. The others are the middle points of the two halves.

We will make the things clearer with a simple real-world example. It also illustrates the steps for solving a box and whisker plot problem.

## Box plot example pdf to print

It is hard to say what is the middle point the median because the value points are not ordered. This is an odd set of data — you have 15 data points.

It means the middle point is 80 as there are 7 data points above it and 7 numbers below. More on how to calculate median, you can see on our post descriptive statistics examples.

## Print to a .pdf file, plot file (.plt) or printer

Step 3: Find the middle points of the two halves divided by the median find the upper and lower quartiles. So, we can determine that the five-number summary for the class of students is 54, 70, 80, 88, Interpreting the box and whisker plot results:.

So, if you have test results somewhere in the lower whisker, you may need to study more.

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It was among the simplest box and whisker plot examples just to illustrate what the plot shows. Suppose an IT company has two stores that sell computers.

## Understanding Boxplots

The company recorded the number of sales each store made each month. In the past 12 months, we have the following numbers of sold computers:. Now, we need to find the median.

## Interpreting box plots - Data and statistics - 6th grade - Khan Academy

However, this is an even set of data. Upper quartile is the median of these six data points.

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Using the same calculations, we can find that the five-number summary for Store 2 is 70, , , , How to create box and whisker plots? Nowadays, you have a plenty of good choices. Depending on your needs, you can create them with a free graphing software such as:. It is especially useful when you want to see if a distribution is skewed and whether there are potential unusual data values outliers in a given dataset.

## Box plot in Python with matplotlib

A box plot is a great way of summarizing data set measured on an interval scale see interval data examples. It has many advantages and benefits and the most important of them are:. Need more graph examples? Check our post about simple linear regression examples and Venn diagram examples. Silvia Vylcheva has more than 10 years of experience in the digital marketing world — which gave her a wide business acumen and the ability to identify and understand different customer needs.

Silvia has a passion and knowledge in different business and marketing areas such as inbound methodology, data intelligence, competition research and more.

## Five-Number Summary and Box-and-Whisker Plots

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Definition, explanation, and analysis. Comparative double box and whisker plot example: to see how to compare two data sets with analysis and interpretation.

## Box and Whisker Plot Examples

Lower Extreme — the smallest value in a given dataset. Median value — the middle number in the set. They are used to indicate variability out of the upper and lower quartiles. Word Excel PowerPoint. Able to handle and present a large amount of data. A visually effective method of viewing a summary. A graphical way showing outliers. Great for comparison of two or more datasets.