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# Algebra 2 - 12.4

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

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