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# Ch. 2 Vocab

### Vocabulary

Question | Answer |
---|---|

Natural Numbers | The Set (1,2,3) |

Whole Numbers | The Set (0,1,2,3) |

Integers | The Set (-2,-1,0,1,2) |

Positive Numbers | Any value that is greater than zero. |

Negative Numbers | Any value less than zero. |

Rational Numbers | The set of equations expressed in the form of a fraction. |

Graph | To draw, or plot, the points named by certain numbers or ordered pairs on a number line or coordinate plane. |

Coordinate | The number that corresponds to a point on a number line. |

Absolute Value | The absolute value of a number n is its distance from zero on a number line and is represented by n. |

Opposites | Every positive rational number and its negative number. |

Additive Identity | For any number a, a + 0 = 0 + a = a |

Line Plot | A number line labeled with a scale to include all the data with an X placed above a data point each time it occurs. |

Frequency | How often a piece of data occurs. |

Stem-And-Leaf Plot | A system used to seperate data into two numbers that are used to form a stem and leaf. |

Back-To-Back Stem-And-Leaf Plot | Used to compare two related sets of data. |

Measures Of Cenral Tendacy | Numbers or pieces of data that can represent the whole set of data. |

Created by:
nibrown