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# EUS 7

### Probability and Statistics

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

Complementary Events | Two Events are complements if the sum of their probabilities is 1. |

Experimental Probability | The ratio of the number of a favorable result to the total number of trials in a probability experiment. |

Favorable outcome | The desirable outcome |

Frequency Table | A table that lists items and uses tally marks to collect data and show the number of times they occur |

Interval | The equal parts of a scale is divided into, on a graph. |

Line Plot | A number line used to show frequency of data |

Mean | The mathematical average of the data; found by finding the sum of all of the data and dividing by the number of data pieces |

Measure of Central Tendency | Numbers or pieces of data that can represent or summarize a whole set of data, such as mean, median, and mode. |

Sample Space | The set of all possible outcomes of a probability event |

Scale | The set of numbers used to label an axis when graphing; must include the least and greatest numbers in a set. |

Simple Event | A probability even that consists of exactly one outcome. |

Stem-and-leaf plot | A display of numerical data in which each piece of the data is separated into two numbers based on place value and placed in columns of a T-chart. |

Theoretical Probability | The ratio of the number of favorable outcomes to the total number of possible outcomes;is based on what should happen under perfect circumstances. |

Tree Diagram | A visual representation that shows all possible outcomes in a probability even. |

Created by:
Christina_lane