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When there is an even number of observations (data points the center is not necessarily part of the data set.
In a data set with an odd amount of numbers, the median will always have the same amount of numbers on either side.In our example, you would take 7 and 9 the two middle numbers add them up and divide them.We use cookies to make wikiHow great.Let's say we start the numbers 1, 3, 2, 4, and.Mark your first, second, and third quartiles on the plot line.These plots are used nep parkeerbon maken to show quartiles.For example, if the number set is 1,2,3,4,5,5,6,8, then the two middle numbers would be 4 and.It doesn't matter either way, as range is not used when making a Box-and-Whisker Plot.Make sure to place the numbers at even intervals.5, draw a plot line.
7, make a box by drawing horizontal lines connecting the quartiles.
Connect the bottom of the first quartile to the bottom of the third quartile, making sure to go through the second quartile.
Show more answers Unanswered Questions Show more unanswered questions Ask a Question 200 characters rugtas zelf maken left cadeau inpak tips Include your email address to get a message when this question is answered.1, community Q A, search.Then your first quartile is higher than your range.The mark should be a vertical line at each quartile, starting slightly above the plot line.4, find the first and third quartiles.

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