The student didn't make any mistake. The slope of the line between those points is 3/8.
 
        
        
        
Answer:
Class second have higher score and have greater spread.
Step-by-step explanation:
For first box plot
 
 
 
 
 
 
 
For second box plot
 
 
 
 
 
 
 
First class has greater minimum value, it means first class has lower grades.
First quartile of both classes are same, it means equal number students in both classes have less than 62 marks.
First class has greater median.
second class has greater third quartile.
Second class has greater Maximum value.  It means second class have higher score than first class.
Second class has greater range. It means the data of second class has greater spread.
Second class has greater inter quartile range.  It means the data of second class has greater spread.
Therefore, the class second have higher score and have greater spread.
 
        
             
        
        
        
Answer:
The sales tax is a 1.75. 
Step-by-step explanation:
35 x 0.05 = 1.75
 
        
             
        
        
        
Mean is adding all the goals together then dividing by how many games there were so it’d be 48/8 = 6
        
                    
             
        
        
        
Answer: assuming your doing x+5 times 3 the answer for x would be 95 because 95+5 = 100 and 100 x 3 = 300