| A | B |
|---|
| Estimate | an approximation of a number, based on reasonable assumptions |
| Accuracy | how close the measurement is to the true or accepted value |
| Precision | how close a group of measurements are to each other |
| Significant Figures | non zero numbers, all digits measured exactly, plus one estimated digit, for example: 1.0061 |
| Mean | the numerical average of a set of data |
| Median | the middle number in an ordered set of data |
| Mode | the number that appears most in a list of numbers |
| Range | in a data set, the difference between the greatest value and the least value in the set |
| Anomalous Data | data that doesn't fit with the rest of the data set |
| Percent Error | the percent difference between a known value of a substance and its measured value during an experiment |
