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# Math Terms

### On our math lessons

Term | Definition |
---|---|

absolute deviation from the mean | The distance that the data value is from the mean. You find this by taking the absolute value of the deviation of a data value. These are always nonnegative. |

interquartile range | The distance between the first and third quartiles of the data set. It represents the spread of the middle 50% of the data values. |

absolute value | The distance between a number and zero on a number line. |

addition property of equality | The two sides of an equation stay equal when the same amount is added to both sides of the equation. |

analyze | To think about and understand facts and details about a given set of information. It can involve providing a written summary supported by factual information, diagrams, charts, tables, or any combination of these. |

area of a parallelogram | The formula is A=bh, where A represents the area, be represents a base, and h is the corresponding height. |

area of a triangle | The formula is A=1/2bh, where A represents the area, b represents the length of a base, and h represents the corresponding height. |

base of a prism | One of a pair of parallel polygonal faces that are the same size and shape. A prism is named for the shape of these. |

box plot | A statistical graph that shows the distribution of a data set by marking five boundary points where data occur along a number line. Unlike a dot plot or a histogram, this does not show frequency. |

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Ally_