Name _____________________________ | Date ___________________ |

(Answer ID # 0768295)

1. | _____________________ | Given a group of data with mean 80 and standard deviation 12, at least what percent of the data will fall between 56 and 104? |

2. | _____________________ | If a group of data has a mean of 12 and a standard deviation of 75.5, what is the interval that should contain at least 93.8% of the data? |

3. | _____________________ | Given a data set comprised of 4247 measurements that is bell-shaped with a mean of 796. If 99.7% of the data lies between 709 and 883 then what is the standard deviation? |

4. | _____________________ | Given a group of data with mean 32 and standard deviation 12, at least what percent of the data will fall between -16 and 32? |

5. | _____________________ | Given a data set comprised of 3526 measurements that is bell-shaped with a mean of 631. It has a standard deviation of 12. What percentage of the data should lie between 619 and 643? |

6. | _____________________ | Given a data set comprised of 3505 measurements that is bell-shaped with a mean of 229. It has a standard deviation of 64. What percentage of the data should lie between 101 and 357? |

7. | _____________________ | If a group of data has a mean of 22 and a standard deviation of 24.2, what is the interval that should contain at least 88.9% of the data? |

8. | _____________________ | Given a data set comprised of 5346 measurements that is bell-shaped with a mean of -259. It has a standard deviation of 95. What percentage of the data should lie between -544 and -259? |

9. | _____________________ | Given a data set comprised of 3294 measurements that is bell-shaped with a mean of 723. If 68% of the data lies between 668 and 778 then what is the standard deviation? |

10. | _____________________ | Given a group of data with mean 28 and standard deviation 9, at least what percent of the data will fall between -17 and 28? |

11. | _____________________ | If a group of data has a mean of 54 and a standard deviation of 62.6, what is the interval that should contain at least 88.9% of the data? |

12. | _____________________ | Given a data set comprised of 3306 measurements that is bell-shaped with a mean of 203. If 95% of the data lies between 19 and 387 then what is the standard deviation? |

13. | _____________________ | Given a data set comprised of 4465 measurements that is bell-shaped with a mean of 717. It has a standard deviation of 87. What percentage of the data should lie between 456 and 978? |

14. | _____________________ | Given a data set comprised of 5288 measurements that is bell-shaped with a mean of 620. It has a standard deviation of 72. What percentage of the data should lie between 620 and 836? |

15. | _____________________ | Given a data set comprised of 2043 measurements that is bell-shaped with a mean of -340. It has a standard deviation of 54. What percentage of the data should lie between -448 and -232? |

16. | _____________________ | If a group of data has a mean of 45 and a standard deviation of 10.9, what is the interval that should contain at least 88.9% of the data? |

17. | _____________________ | Given a data set comprised of 4480 measurements that is bell-shaped with a mean of 556. If 99.7% of the data lies between 511 and 601 then what is the standard deviation? |

18. | _____________________ | Given a group of data with mean 60 and standard deviation 8, at least what percent of the data will fall between 44 and 60? |