<em><u>"Correlation Coefficient" is the value from between -1 and 1 indicates the strength of the correlation between two variables.</u></em> Galton calculated the correlation coefficient for the line of best fit, to see how strong the relationship was. Hope this helps you! Thank you for posting your question at here on Brainly. Have a great day. -Charlie
 
        
                    
             
        
        
        
Answer:
the Answer is 382.5
Step-by-step explanation:
Hope this Helps! :)
 
        
                    
             
        
        
        
The quadratic formula is above.
You want each equation in standard form: ax^2 + bx + c = 0
I begin each problem by defining variables.
For instance 3. Is in standard form. X^2 -2x - 3 = 0. a = 1, b = -2, c = -3
Now use quadratic formula: x = [- b + or - sqrt(b^2 - 4ac)]\2a
 
        
        
        
Answer:
No
Step-by-step explanation:
4 x 2 = 14
<u><em>BUT</em></u>
3 x 2 ≠ 9