# Introduction to Data - Data Basics

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2016-02-11 02:58

## Section

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

Summary Statistic | a single number summarizing a large amount of data |

Data Matrix | each row corresponds to a unique case, and each column corresponds to a variable |

Case (or Observation) | a row in the table (matrix) |

Variable | represents characteristics within a case (observation) in the table (matrix) |

Numerical Variable | includes a wide range of numerical values, and it is sensible to add, subtract, or take averages with those values |

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