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It is a graphical representation of the distribution of a variable.
It if often used to represent a "5 number summary" in statistics.
The 5 numbers are the minimum and maximum values of a set as well as Q1, Q2 and Q3 which are the first, second, and third quartiles. The box is made up of the quartiles, with the smaller and larger ones at either end and Q2 in between. The whiskers are the max and the min.
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What is box and whiskers used for?
Expressing statistical data
What does the whisker in a box-and-whisker plot represent?
The whiskers mark the ends of the range of figures - they are the furthest outliers. * * * * * No. Outliers are not part of a box and whiskers plot. The whiskers mark the ends of the minimum and maximum observations EXCLUDING outliers. Outliers, if any, are marked with an X.
How do you find the outlier in a box and whiskers plot?
try this site https.google.com
What are the five points of a box and whiskers graph?
Both ends of the the box (the "whiskers") plot determine the range of your data, without including outliers. (Outliers are marked by an asterisk). The end of the left side of the box is the lower quartile. The line in the box is the median. The other end of the box represent the upper quartile.
Who invented the box-and-whiskers-plot?
It was invented by the American statistician John Tukey in 1977
