"<span>How much did your classmates typically spend on music downloads last year?" is a statistical question, and the units would </span>be both the number of students and how many downloads each individual bought. 
        
             
        
        
        
Complete question 
To find  , Beau found
 , Beau found  and
 and  . He said that since 5 is between 4 and 9,
 . He said that since 5 is between 4 and 9,  , is between 2 and 3. Beau thinks a good estimate for
, is between 2 and 3. Beau thinks a good estimate for  , is
 , is  Is his estimate high or low? How do you know?
 Is his estimate high or low? How do you know?
Answer:
The estimation is high because 5 is very close to 4 so  will also be very close to
 will also be very close to  which is lower than the estimate
 which is lower than the estimate 
In order to get a good estimate 
The first step is to choose a number between 2 and 3 let say 2.8 , 2,85 , 2.9 and the square them 
i.e 
 
      
       
From here we can see that  lies between 2.2 and 2.3 but is closer to  2.2
  lies between 2.2 and 2.3 but is closer to  2.2
So a good estimate for  is 2.2
 is 2.2
Step-by-step explanation:
 
        
             
        
        
        
90
Step-by-step explanation:vkjl
 
        
             
        
        
        
Answer:
I believe the answer is 105 pages
Step-by-step explanation: