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Descriptions of Univariate Data

​
dataset
spread
5-number summary
minimum
39.14
first quartile
54.24
median
60.83
third quartile
65.46
maximum
81.48
​
​
measures of spread
interquartile range
11.21
sample variance
70.59
standard deviation
8.40
A univariate dataset (i.e., a list of numbers) can be briefly described in a variety of numerical and graphical ways. The left side of the image shows the histogram and the box (or box-and-whisker) plot for a dataset, and the right side shows some numerical measures of location and spread. A different dataset can be obtained by moving the "dataset" slider. You can make the dataset more or less "spread out" by using the "spread" slider.
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