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# FISK Math Ch 2 Vocab

### Fisk Math Chapter 2 Vocabulary

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

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

bar graph | a graph using bars to compare quantities. The height or the length of each bar represents a designated number. |

frequency | the number of times an item occurs. |

graph | a visual way to display data. |

horizontal axis | the axis on which the categories or values are shown in a bar and a line graph. |

integers | the whole numbers and their opposites. …, -3, -2, -1, 0, 1, 2, 3. |

key | a sample data point used to explain the stems and leaves in a stem-and-leaf plot. |

line graph | a graph used to show how a set of data changes over a period of time. |

line plot | a diagram that shows the frequency of data in a number line. |

mean | the sum of the numbers in a set of data divided by the number of pieces of data. |

measures of central tendency | numbers that are used to describe the center of a set of data. These measures include the mean, median, and mode. |

median | the middle number in a set of data when the data are arranged in a numerical order. If the data has an even number, the median is the mean of the two middle numbers. |

mode | the number(s) or items(2) that appear most often in a set of data. |

negative numbers | a number that is less than zero. |

opposites | numbers that are the same distance from zero in opposite directions. |

outlier | a value that is much higher or much lower than the other values in a set of data. |

positive numbers | a number that is greater than zero. |

range | the difference between the greatest number and the least number in a set of data. |

stem-and-leaf | a system used to condense a set of data where the greatest place value of the data forms the stem and the next greatest place value forms the leaves. |

vertical axis | the axis on which the scale and interval are shown in a bar or a line graph. |

Created by:
fiskc