A | B |

Range | The difference between the largest number and the smallest number |

Median | The middle number when the numbers are ordered from least to greatest |

Mean | Add up the numbers and divide by how many numbers you have |

Bell Curve | The peak is in the middle, the shape is a bell and if divided in half, the two halves are similar |

Skewed Left | The tail of the graph is on the left |

Skewed Right | The tail of the graph is on the right |

Histogram | A bar graph with wide bars with are touching and have a range of numbers on the x axis and frequency on the y axis |

Bar graph | Have skinny thin bars with space in between and a subject under each bar |

Outlier | A number much larger or much smaller than all the other numbers |

Gap | A space (with no values) between bar graphs |

Three measures of central tendency | Mean, medium and mode |