Name _____________________________ | Date ___________________ |

(Answer ID # 0459988)

1. | _____________________ | Given a data set comprised of 2254 measurements that is bell-shaped with a mean of 886. If 95% of the data lies between 802 and 970 then what is the standard deviation? |

2. | _____________________ | Given a data set comprised of 4160 measurements that is bell-shaped with a mean of 596. It has a standard deviation of 36. What percentage of the data should lie between 488 and 704? |

3. | _____________________ | If a group of data has a mean of 89 and a standard deviation of 54.8, what is the interval that should contain at least 75% of the data? |

4. | _____________________ | If a group of data has a mean of -14 and a standard deviation of 41.3, what is the interval that should contain at least 88.9% of the data? |

5. | _____________________ | Given a group of data with mean 45 and standard deviation 6, at least what percent of the data will fall between 27 and 63? |

6. | _____________________ | Given a data set comprised of 1981 measurements that is bell-shaped with a mean of 224. If 99.7% of the data lies between 164 and 284 then what is the standard deviation? |

7. | _____________________ | Given a data set comprised of 3735 measurements that is bell-shaped with a mean of 993. It has a standard deviation of 40. What percentage of the data should lie between 993 and 1033? |

8. | _____________________ | Given a group of data with mean 60 and standard deviation 14, at least what percent of the data will fall between 18 and 60? |

9. | _____________________ | Given a data set comprised of 3724 measurements that is bell-shaped with a mean of -474. It has a standard deviation of 44. What percentage of the data should lie between -562 and -386? |

10. | _____________________ | Given a data set comprised of 3394 measurements that is bell-shaped with a mean of 506. It has a standard deviation of 6. What percentage of the data should lie between 506 and 518? |

11. | _____________________ | Given a group of data with mean 18 and standard deviation 11, at least what percent of the data will fall between 18 and 73? |

12. | _____________________ | If a group of data has a mean of -57 and a standard deviation of 24.5, what is the interval that should contain at least 75% of the data? |

13. | _____________________ | Given a data set comprised of 3418 measurements that is bell-shaped with a mean of 356. If 95% of the data lies between 220 and 492 then what is the standard deviation? |

14. | _____________________ | Given a data set comprised of 3763 measurements that is bell-shaped with a mean of 167. If 95% of the data lies between 13 and 321 then what is the standard deviation? |

15. | _____________________ | Given a data set comprised of 3253 measurements that is bell-shaped with a mean of 509. It has a standard deviation of 84. What percentage of the data should lie between 425 and 593? |

16. | _____________________ | Given a group of data with mean 40 and standard deviation 13, at least what percent of the data will fall between -12 and 92? |

17. | _____________________ | Given a data set comprised of 4129 measurements that is bell-shaped with a mean of -173. It has a standard deviation of 20. What percentage of the data should lie between -193 and -153? |

18. | _____________________ | If a group of data has a mean of 3 and a standard deviation of 89, what is the interval that should contain at least 93.8% of the data? |