Mean = |

### Answers − Averages: Mean, Median and Mode

1. | Find the mean, median and mode of | |

10 11 11 9 14 |

= | = 11 |

**Median**

**(a)**order the numbers

9, 10, 11, 11, 14

**(b)**find the median which is the middle number:

9, 10, 11, 11, 14 = 11

**Mode** find the most common value: 11 occurs twice so it is 11

2. | Find the mean, median and mode of | |

8 3 12 5 12 |

Mean = |

= | = 8 |

**Median**

**(a)**order the numbers

3, 5, 8, 12, 12

**(b)**find the median which is the middle number:

3, 5, 8, 12, 12 = 8

**Mode** find the most common value: 12 occurs twice so it is 12

3. | Find the mean, median and mode of | |

28 19 9 19 23 24 11 |

Mean = |

= | = 19 |

**Median**

**(a)**order the numbers

9, 11, 19, 19, 23, 24, 28

**(b)**find the median which is the middle number:

9, 11, 19, 19, 23, 24, 28 = 19

**Mode** find the most common value: 19 occurs twice so it is 19

4. | Find the mean, median and mode of | |

4 15 2 20 6 3 6 |

Mean = |

= | = 8 |

**Median**

**(a)**order the numbers

2, 3, 4, 6, 6, 15, 20

**(b)**find the median which is the middle number:

2, 3, 4, 6, 6, 15, 20 = 6

**Mode** find the most common value: 6 occurs twice so it is 6

5. | Find the mean, median and mode of | |

18 19 24 25 21 18 22 |

Mean = |

= | = 21 |

**Median**

**(a)**order the numbers

18, 18, 19, 21, 22, 24, 25

**(b)**find the median which is the middle number:

18, 18, 19, 21, 22, 24, 25 = 21

**Mode** find the most common value: 18 occurs twice so it is 18

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