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Unit 1
Data displays and number systems
| Term | Definition |
|---|---|
| Statistics | The Study of numerical data: collecting, organizing, and analyzing data to interpret it and answer questions. |
| Variability | how spread out the values in a set of data are. |
| Statistical Question | A question that would be answered by collecting or analyzing data |
| Range | the difference between the maximum and the minimum in a data set. |
| data | data is a collection of information gathered by observation, questioning or measurement. |
| maximum | highest or greatest amount or value. |
| minimum | lowest or least amount or value. |
| dot plot | a number line long enough to encompass all numbers in a sample, showing a dot over the position corresponding to each number. |
| mode | in a set of scores, values or numbers the mode is the one that occurs the most. |
| median | a type of average which is the middle value of an ordered set of data values. |
| Data Landmark | A part of a dot plot to remember |