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# Stats Professor Exam 1

3. Find the class boundaries for the following frequency distribution:

Weights |
frequency |

140 – 149 |
1 |

150 – 159 |
3 |

160 – 169 |
11 |

170 – 179 |
26 |

180 – 189 |
14 |

190 - 199 |
6 |

8. Find the relative frequency distribution from the following frequency distribution:

Weights |
frequency |

140 – 149 |
1 |

150 – 159 |
3 |

160 – 169 |
11 |

170 – 179 |
26 |

180 – 189 |
14 |

190 - 199 |
6 |

15. Find the class width used to create the following frequency distribution:

Weights |
frequency |

140 – 149 |
1 |

150 – 159 |
3 |

160 – 169 |
11 |

170 – 179 |
26 |

180 – 189 |
14 |

190 - 199 |
6 |