<h2>
Answer:</h2>
Variance
<h2>
Step-by-step explanation:</h2>
The standard deviation is related to the variance. The standard deviation measures the variation or dispersion of a set of data and is represented by the Greek letter sigma  , while the variance measures how far a set of  numbers are spread out from their average value. The variance is obtained by squaring the standard deviation, so the variance can be found as
, while the variance measures how far a set of  numbers are spread out from their average value. The variance is obtained by squaring the standard deviation, so the variance can be found as 
 
        
        
        
Answer:
C
Step-by-step explanation:
3/4 = 9/12
This is because 
3 x 3 = 9
4 x 3 = 12
3/4 = 9/12
Hope that helps!
 
        
                    
             
        
        
        
2 3/4 divided by 1/4
is 
2 3/4 multiplied by 4/1
which is (2+3/4)*4 = 2*4 + 3/4*4 = 8+3 =<em>11</em>
        
             
        
        
        
Answer:
a
Step-by-step explanation:
because i got it right 
 
 
        
             
        
        
        
hope this helps 
Step-by-step explanation:
They are considered homologous structures because they have a similar underlying anatomy.