Respuesta :

Answer:

12

Step-by-step explanation:

You need to list from least to greatest:

11, 12, 16, 16, 17, 18 , 20

16 is the median, and the lower quartile will be the median of the 3 numbers on the left, which is 12

rahaanfaisal

Answer:the answer is 12

Step-by-step explanation:

Acellus sux