1. What is the range of this data set?
 27, 5, 11, 13, 10, 8, 14, 18, 7
 1. 22
 2. 7.5
 3. 11
 4. 16
 2. Use the list below to find the lower quartile.
 27, 5, 11, 13, 10, 8, 14, 18, 7
 1. 7
 2. 7.5
 3. 8
 4. 8.5
 3. Use the list below to find the upper quartile.
 27, 5, 11, 13, 10, 8, 14, 18, 7
 1. 11
 2. 13
 3. 14
 4. 16
 4. What is the interquartile range of the data set?
 5, 5, 6, 7, 9, 11, 14, 17, 21, 23
 1. 7
 2. 9
 3. 11
 4. 13
 5. What is the interquartile range of this data set?
 4, 5, 7, 9, 10, 14, 16, 24
 1. 6
 2. 7
 3. 8
 4. 9