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chapter 3 vocab
Decimals and Equations Vocabulary Pre-algebra
Question | Answer |
---|---|
Compatible Numbers | Numbers that are easy to divide mentally . |
Measures of central tendency | Mean , Median , and Mode are measures of central tendency |
Mean | The sum of the data values divided by the numbers of data values divided by the number of data values |
Median | The 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 | the data item that occurs most often. There can be one mode, more than one mode , or no mode. |
Range | the set of data that is the difference between the greatest and least values in the data set. |
Outlier | the data value that is much greater or less the other data values . An outlier can affect the mean of a group of data. |
Formula | An equation that shows a relationship between quantities that are represented by variables. |
Perimeter | the distance around a figure |