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Integrated Algebra
Measures of Variation
7
Mathematics
9th Grade
11/03/2009

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Cards

Term
Range
Definition
The difference between the greatest value and the least value in a given data
Term
Interquartile Range
Definition
The difference between the upper and lower quatiles (Q3 - Q1)
Term
Lower Quartile (Q1)
Definition
Divides the lower half of the data into 2 equal parts
Term
Quartiles
Definition
A set of values that are divided into 4 equal parts
Term
Upper Quartile (Q3)
Definition
Divides the upper half of the data into 2 equal parts
Term
Box-Whisker Plot
Definition
A diagram that divides a set of data into 4 parts using the median and quartiles
Term
Extreme Values
Definition
The bullets at each end of box-and-whisker plots
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