Name _____________________________ | Date ___________________ |

(Answer ID # 0445199)

1. | _____________________ | Given a group of data with mean -24 and standard deviation 7, at least what percent of the data will fall between -24 and -10? |

2. | _____________________ | If a group of data has a mean of 7 and a standard deviation of 87.9, what is the interval that should contain at least 75% of the data? |

3. | _____________________ | If a group of data has a mean of 43 and a standard deviation of 25.1, what is the interval that should contain at least 93.8% of the data? |

4. | _____________________ | Given a data set comprised of 2725 measurements that is bell-shaped with a mean of 265. It has a standard deviation of 80. What percentage of the data should lie between 265 and 425? |

5. | _____________________ | Given a data set comprised of 1996 measurements that is bell-shaped with a mean of 568. It has a standard deviation of 62. What percentage of the data should lie between 444 and 692? |

6. | _____________________ | Given a group of data with mean 80 and standard deviation 9, at least what percent of the data will fall between 53 and 107? |

7. | _____________________ | Given a data set comprised of 3739 measurements that is bell-shaped with a mean of 674. If 68% of the data lies between 581 and 767 then what is the standard deviation? |

8. | _____________________ | Given a data set comprised of 3535 measurements that is bell-shaped with a mean of 766. If 68% of the data lies between 757 and 775 then what is the standard deviation? |

9. | _____________________ | Given a data set comprised of 2556 measurements that is bell-shaped with a mean of -260. It has a standard deviation of 13. What percentage of the data should lie between -286 and -260? |

10. | _____________________ | Given a data set comprised of 4656 measurements that is bell-shaped with a mean of 362. It has a standard deviation of 6. What percentage of the data should lie between 362 and 374? |

11. | _____________________ | Given a data set comprised of 4546 measurements that is bell-shaped with a mean of 443. If 68% of the data lies between 367 and 519 then what is the standard deviation? |

12. | _____________________ | If a group of data has a mean of 84 and a standard deviation of 16.9, what is the interval that should contain at least 75% of the data? |

13. | _____________________ | Given a group of data with mean -39 and standard deviation 6, at least what percent of the data will fall between -63 and -15? |

14. | _____________________ | Given a data set comprised of 4757 measurements that is bell-shaped with a mean of 971. If 68% of the data lies between 957 and 985 then what is the standard deviation? |

15. | _____________________ | Given a data set comprised of 3088 measurements that is bell-shaped with a mean of -984. It has a standard deviation of 35. What percentage of the data should lie between -1019 and -949? |

16. | _____________________ | Given a group of data with mean 40 and standard deviation 6, at least what percent of the data will fall between 10 and 70? |

17. | _____________________ | Given a data set comprised of 2444 measurements that is bell-shaped with a mean of 603. It has a standard deviation of 80. What percentage of the data should lie between 603 and 683? |

18. | _____________________ | If a group of data has a mean of -17 and a standard deviation of 6.5, what is the interval that should contain at least 75% of the data? |