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# Algebra 2 - 12.4

### Standard Deviation, Z-score, and Range/Interquartile Range

Question | Answer |
---|---|

Find the standard deviation for the following values: 12, 15, 18, 10, 11, 9, 20 | 3.9 |

Find the standard deviation for the following values: 44, 52, 41, 56, 51, 39 | 6.2 |

Find the standard deviation for the following values: 106, 123, 129, 111, 122, 100 | 10.3 |

Find the standard deviation for the following values: 71, 99, 81, 84, 69, 100, 84 | 11.2 |

Find the standard deviation for the following values: 1, 7, 9, 6, 4, 1 | 3.0 |

Find the standard deviation for the following values: 31, 91, 34, 63, 44, 86, 43 | 22.7 |

Find the standard deviation for the following values: 21, 22, 23, 24, 25, 26 | 1.7 |

Find the standard deviation for the following values: 120, 130, 121, 129, 142, 119 | 8.0 |

Find the standard deviation for the following values: 70, 50, 30, 40, 35, 35, 15 | 15.9 |

Find the standard deviation for the following values: 1, 3, 1, 2, 4, 0, 2 | 1.2 |

A set of values has a mean of 85 and a standard deviation of 6. Find the z-score of the value 76. | -1.5 |

A set of values has a mean of 42 and a standard deviation of 2. Find the z-score of the value 12. | -15 |

A set of values has a mean of 29 and a standard deviation of 4. Find the z-score of the value 16. | -3.25 |

A set of values has a mean of 12 and a standard deviation of 2. Find the z-score of the value 9. | -1.5 |

A set of values has a mean of 84 and a standard deviation of 7. Find the z-score of the value 74. | -1.4 |

A set of values has a mean of 12 and a standard deviation of 3. Find the z-score of the value 10. | -0.67 |

A set of values has a mean of 52 and a standard deviation of 6. Find the z-score of the value 42. | -1.67 |

A set of values has a mean of 41 and a standard deviation of 8. Find the z-score of the value 35. | -0.75 |

A set of values has a mean of 98 and a standard deviation of 10. Find the z-score of the value 78. | -2 |

A set of values has a mean of 71 and a standard deviation of 4. Find the z-score of the value 69. | -0.5 |

Find the range and interquartile range for the following values: 1, 3, 1, 2, 4, 0, 2. | Range - 2. Interquartile Range - 2. |

Find the range and interquartile range for the following values: 12, 15, 18, 10, 11, 9, 20. | Range - 11. Interquartile Range - 18. |

Find the range and interquartile range for the following values: 71, 99, 81, 84, 69, 100, 84. | Range - 31. Interquartile Range - 28. |

Find the range and interquartile range for the following values: 31, 91, 34, 63, 44, 86, 43, 21. | Range - 65. Interquartile Range - 32. |

Find the range and interquartile range for the following values: 70, 50, 30, 40, 35, 35, 15. | Range - 55. Interquartile Range - 20. |

Created by:
carolinevail