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chapter 3 lesson 2
Mathematics and science
Term | Definition |
---|---|
estimate | an approximation of a number based on reasonable assumptions. |
accuracy | how close a measurement if to the true accepted value |
precision | how close a group of measurements are to each other |
Significant figures | all the digits in a measurement that have been measured exactly, plus one digits whose value has been estimated |
percent error | a calculation used to determine how accurate, or close to the value , an experimental value really is |
mean | the numerical average of a set of data |
median | the middle number in a set of data |
mode | the number that appears most often in a list of numbers |
range | the difference between the greatest value and the least value in a set of data |
anomalous data | data that do not fit with the rest of a data set |