Xm=(2+2)/2=2
Ym=(1+4)/2=2.5
(2,2.5)
        
             
        
        
        
Answer:
The answer is: B) Yes, this is a valid inference because it took a random sample from the neighborhood.
And apart from the random sample, 40% of families agreed with her to attend the parade at least.
Step-by-step explanation: