Probability
# Understanding Data

What is the mean of the following three numbers:

$1, 9, 14?$

$$
**Details and Assumptions:**

- The
**mean**of a set of numbers is the average of the set.

$\{ 5, 8, 10, 15, 27 \}$

What is the mean of the above set?

Species | Number of Legs |

Human | 2 |

Dog | 4 |

Cat | 4 |

Ant | 6 |

Octopus | 8 |

Sea pig | 12 |

Using the table above, determine the mean number of legs of the group.

$\{ 4, 8, 30 \}$

What is the mean of the above set?