Correlation Example Problem

m





  


a

a

a

Ô



  
 Ô 

 

  













  


a

a





  
 

 


 !
 "



 Ô
  

 
  



  


a

a

a









  
  

# $

 
  
 
  
 
    
 
  



  


a

a

 



# % &''(&''Ô  %&''   

(&'' 
  


''' 



 )   



  

 



  


N (Student)  X (No.of Hrs of Study) Y (Exam Score)




















































 



  


Student X (No.of Study Hours)   
         

(Ex Score)

X

       


  
  
   

  

  


 



  



  


a

a

a

*
+, 
-. .// #0

+ , 
1&213&&4.'2  # 
"
 



 
5 


m  6



  


a

a

" 
7+,68/8/9 
+," 
-. .// #0

 # #  
1&213 &&4.'2 

#   6



  




$ 


a

66

£   £  



  


a

a


 0
616'3116'2.
2.: 
" 
 
 #
 

  
  # 


  

 

 $



  


a

Y
     
 ; # "

 "  
0
   !
#

#

   <==

 
=   <==

 
=% %



  


a

,


 


  <== 


=   <== 
 
=

,