Respuesta :
5 is left lower quartile and 11.5 is upper quartile. 11.5 minues 5 equals 6.5.
Answer:
6.5
Step-by-step explanation:
1, 2, 5, 5, 7, 8, 10, 11, 11, 12, 15, 23
Median: 9
Lower quartile: 5
Upper quartile: 11.5
Interquartile range: 11.5 - 5 = 6.5