I believe the answer is B for this question
        
                    
             
        
        
        
Answer:
A measure of average is a value that is typical for a set of figures. Finding the average helps you to draw conclusions from data. The main types are mean, median and mode. Data is also often grouped.
Step-by-step explanation:
To find the mean add all the ages together and divide by the total number of children.
If you type all those ages into a calculator it is easy to make an error.
 
        
             
        
        
        
Answer:
The answer is 0.106666667
 
        
                    
             
        
        
        
Answer:
7
Step-by-step explanation:
the square root of 49 is 7 since 7 x 7 = 49