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Alexander's Chapter2
| Question | Answer |
|---|---|
| frequency | The number of times a item occurs |
| graph | A visual way to display data |
| integers | The whole number and there opposites |
| mean | The sum of the numbers in a set of data divided by the number of pieces of data |
| average | The sum of two or more quantities divided by the number the mean |
| measure of tendency | Numbers that are used to described the center set of a data These measures include the mean median and mode |
| median | The middle number in set of data are arranged in numerical order |
| mode | The number or or item that appears most often in a set of data. |
| negative numbers | A number that is less than zero. |
| opposites | Number that are the same distance from zero in opposite directions. |
| outlier | A value that is much higher or much lower than than the other values in a set of data |
| positive numbers | A number that is greater than zero |
| range | The difference between the greatest number and the least number in a set of data |
| stem and leaf plot | A system used to condense a set of data |
| vertical axis | The axis on which the scale and interval are shown in a bar or line graph |
| horizontal axis | The axis on which the categories or values are shown in a bar and line graph |
| key | A sample data point used to explain the stem and leaves in a stem and leaf plot |
| line graph | A graph used to show how a set of data changed over a period of time |
| line plot | A diagram that shows the frequency of data on a number line. |