Respuesta :
					                    I think it is 20 because you have to multiply and then divide them add 11 then subtract 9 idk what I am saying
					                
					                
					             Answer:
Descibe the data:
Mean=12
Interquartile range=7
Range=17
Do Not describe
Median=10
Range-23
Interquartile range=12
Step-by-step explanation:
 
			                   
					                  