Name _____________________________ | Date ___________________ |

(Answer ID # 0499087)

1. | _____________________ | Given a data set comprised of 1913 measurements that is bell-shaped with a mean of -666. It has a standard deviation of 24. What percentage of the data should lie between -738 and -666? |

2. | _____________________ | Given a data set comprised of 3144 measurements that is bell-shaped with a mean of 745. It has a standard deviation of 69. What percentage of the data should lie between 538 and 745? |

3. | _____________________ | Given a group of data with mean 80 and standard deviation 10, at least what percent of the data will fall between 60 and 100? |

4. | _____________________ | Given a data set comprised of 4533 measurements that is bell-shaped with a mean of 479. If 99.7% of the data lies between 362 and 596 then what is the standard deviation? |

5. | _____________________ | If a group of data has a mean of 97 and a standard deviation of 42.4, what is the interval that should contain at least 88.9% of the data? |

6. | _____________________ | Given a data set comprised of 3056 measurements that is bell-shaped with a mean of 234. If 99.7% of the data lies between 189 and 279 then what is the standard deviation? |

7. | _____________________ | Given a data set comprised of 3714 measurements that is bell-shaped with a mean of 485. It has a standard deviation of 56. What percentage of the data should lie between 485 and 597? |

8. | _____________________ | Given a group of data with mean 41 and standard deviation 7, at least what percent of the data will fall between 41 and 55? |

9. | _____________________ | If a group of data has a mean of 2 and a standard deviation of 15.4, what is the interval that should contain at least 93.8% of the data? |

10. | _____________________ | Given a data set comprised of 4034 measurements that is bell-shaped with a mean of -272. It has a standard deviation of 42. What percentage of the data should lie between -398 and -146? |

11. | _____________________ | Given a data set comprised of 4268 measurements that is bell-shaped with a mean of 584. If 95% of the data lies between 446 and 722 then what is the standard deviation? |

12. | _____________________ | If a group of data has a mean of 93 and a standard deviation of 16.4, what is the interval that should contain at least 75% of the data? |

13. | _____________________ | Given a data set comprised of 2172 measurements that is bell-shaped with a mean of 223. It has a standard deviation of 55. What percentage of the data should lie between 58 and 388? |

14. | _____________________ | Given a data set comprised of 2124 measurements that is bell-shaped with a mean of 765. If 95% of the data lies between 715 and 815 then what is the standard deviation? |

15. | _____________________ | Given a group of data with mean 80 and standard deviation 11, at least what percent of the data will fall between 25 and 135? |

16. | _____________________ | Given a group of data with mean 30 and standard deviation 5, at least what percent of the data will fall between 20 and 40? |

17. | _____________________ | If a group of data has a mean of 44 and a standard deviation of 70.1, what is the interval that should contain at least 75% of the data? |

18. | _____________________ | Given a data set comprised of 5226 measurements that is bell-shaped with a mean of 631. It has a standard deviation of 73. What percentage of the data should lie between 412 and 850? |