Answer:
3. b
2. c
Step-by-step explanation:
The Range (Statistics) The Range is the difference between the lowest and highest values.
The mean is the sum divided by the count.
 
        
             
        
        
        
Answer:

Step-by-step explanation:
Given:


We have to find the value of  'h'
So, putting the given values in the equation to find the value of 'h'.
           
Implementing the given values in the given equations:
           
                               
So, the value of 'h' is 
                        
 
        
             
        
        
        
Answer:
just 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
C
Step-by-step explanation:
dont know the 2nd :(