click below

click below

Normal Size Small Size show me how

# Go Math Ch 12 Vocab

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

bar graph | a graph that uses horizontal or vertical bars to display countable data |

dot plot | a graph that shows frequency of data along a number line |

frequency table | a table that uses numbers to record data about how often an event occurs |

line graph | a graph that uses line segments to show how data change over time |

data | information collected about people or things, often to draw conclusions about them |

frequency | the number of times an event occurs |

histogram | a type of bar graph that shows the frequencies of data in intervals |

mean | the sum of a set of data items divided by the number of data item |

measure of center | a single value used to describe the middle of a set of data (mean, median, mode) |

mode | the value(s) in a data set that occurs the most often |

relative frequency table | a table that shows the percent of time each piece of data occurs |

median | the middle value when a data set is written in order from least to greatest, or the mean of the two middle values when there is an even number of items |

outlier | a value much higher or much lower than the other values in a data set |

statistical question | a question that asks about a set of data that can vary |