A | B |

x-coordinate | the first number of an ordered pair |

interval | the difference between successive values on a scale |

frequencey table | a table for organizing a set of data that shows the number of times each item or number appears |

extreme value | the least value or the greatest value in a set of data |

data | numerical information gathered for statistical purposes |

circle graph | a graph used to compare parts of a whole. |

average | the sum of two or more quantities divided by the number of quantities |

y-coordinate | the second number of an ordered pair |

line graph | a graph used to show change and direction of change over a period of time |

statistics | the study of collecting, analyzing and presenting data |