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 digit whose value has been estimated. |

Percent Error |
A calculation used to determine how accurate, or close to the true 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. |