8/14/2019 Sampling Pearson R

http://slidepdf.com/reader/full/sampling-pearson-r 1/4

 

     

       

∗

 

 

 

†

 

 

r  = 0.60   r  

 r  

 r    r

 r  

     

r  

 r

∗  

†  

 

8/14/2019 Sampling Pearson R

http://slidepdf.com/reader/full/sampling-pearson-r 2/4

 

   

r  

  N   = 12  

  r   = 0.60

  r   = 0.90  

 

8/14/2019 Sampling Pearson R

http://slidepdf.com/reader/full/sampling-pearson-r 3/4

 

   

r  

  N   = 12  

  r   = 0.90

 

 r  

 r  

 

  r  

  z

z

= 0.5ln

1 +  r

1 − r

 

 

 

 z

 

 

1√ N  − 3

  N 

 

 

  z

 

 

 z

 

N   = 12  

 

 

 

8/14/2019 Sampling Pearson R

http://slidepdf.com/reader/full/sampling-pearson-r 4/4

 

 

 

 

Z   = X −m

s  =   0

.9730 − 0

.6931

0.333  = 0.8405