# 1 2 7 9

Input |
---|

{1, 2, 7, 9} |

Total |

1 + 2 + 7 + 9 = 19 |

Statistics |

mean | 4.75 median | 4.5 sample standard deviation | 3.862 |

Vector length |

3 sqrt(15)~~11.619 |

Normalized vector |

(1/(3 sqrt(15)), 2/(3 sqrt(15)), 7/(3 sqrt(15)), sqrt(3/5)) |

Possible closed form |

(no form found in terms of holonomic sequences) |