Figures  Keys  Figures between  Correlation coefficients between  
p  q  n  
3(b)  5  4  7 


6(a)  6  4  7  3(b)6(a)  −0.0019 
6(b)  5  3  7  3(b)6(b)  0.0028 
6(c)  5  4  6  3(b)6(c)  0.0044 