Answer:
615.44 would be the answer 
 
        
             
        
        
        
The interquartile range of the data set is 30.
        
             
        
        
        
Answer:
3 numbers
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
35 minutes
Step-by-step explanation:
Take the lastest time and subtract the earliest time
9:45 
9:10
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   :35
35 minutes