## Pre-Algebra Vocabulary - Chapter 3

##### Created by:

lfields  on October 25, 2011

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# Pre-Algebra Vocabulary - Chapter 3

 compatible numbersnumbers that are easy to divide mentally
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#### Definitions

compatible numbers numbers that are easy to divide mentally
formula equation that shows a relationship between quantities that are represented by variables
mean sum of the data values divided by the number of values
median middle number when data values are written in order and there is an odd number of data values. For an even number of data values, the median is the mean of the two middle numbers.
mode data item that occurs most often
measures of central tendency mean, median, and mode
outlier data value that is much greater or less than the other data values
perimeter distance around a figure

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