1
Q
box plot
A
A graph that shows how data are distributed by using the median, quartiles, least value, and greatest value; also called a box-and-whisker plot
2
Q
interquartile range (IQR)
A
The difference of the third (upper) and first (lower) quartiles in a data set, representing the middle half of the data
3
Q
lower quartile
A
The median of the lower half of the data
4
Q
upper quartile
A
The median of the upper half of the data
5
Q
mean absolute deviation (MAD)
A
The mean distance between each data value and the mean of the data set
6
Q
measure of variability
A
A single value used to describe how the values in a data set are spread out
7
Q
range
A
In statistics, the difference between the greatest and least values in a data set
6th Grade
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