Group | Equation | R² |

Group 1A | y = 63.055x y = 10.356x
| R R |

Group 2A | y = 8.4232x | R |

Group 3A | y = 6.9729x | R |

Group 4A | y = 6.3518x | R |

Group 5A | y = 5.4589x | R |

Group 6A | y = 4.8691x | R |

Group 7A | y = 4.1472x | R |

Group 8A | y = 3.7873x y = 16.077x | R R |

Group 3B | y = 1.5012x − 1.136 y = −0.1801x + 0.6443 (Has been calculated with 3B) y = −0.1823x + 0.6425 y = −0.1785x + 0.6361 y = −0.1761x + 0.6231 y = −0.1726x + 0.6173 y = −0.1646x + 0.5934 y = −0.159x + 0.5833 y = −0.149x + 0.559 y = −0.1447x + 0.5504 y = −0.1399x + 0.5367 y = −0.1351x + 0.526 y = −0.1346x + 0.5201 y = −0.1318x + 0.5134 y = −0.1236x + 0.4962 y = −0.1224x + 0.4909 | R |

Group 4B | y = 1.4459x | R |

Group 5B | y = 1.3652x | R |

Group 6B | y = 1.3303x | R |

Group 7B | y = 1.2625x | R |

Group 8B1 | y = 1.2306x | R |

Group 8B2 | y = 1.1743x | R |

Group 8B3 | y = 1.1689x | R |

Group 1B | y = 1.0883x | R |

Group 2B | y = 1.0516x | R |