69 



Table 7. Calculation of points for graphic representation of time 

 by mite population for 0, 1, and 3 snails per cubic foot of citrus. 



Number of 



Day 



Snail flours/ 



X' Value 



Y Value 



Snails 





Day 











1 



4.0 



7.6870 



2.5994 







2 



4.5 



6.2568 



2.5994 







3 



6.0 



6.2568 



2.5994 







4 



3.0 



6.2568 



2.5994 







5 



7.0 



6.2568 



2.5994 







6 



5.0 



6.2568 



2.5994 





1 



4.0 



6.4674 



2.6396 





2 



4.5 



4.1997 



2.1679 





3 



6.0 



2.5905 



1.7580 





4 



3.0 



2.1455 



1.6265 





5 



7.0 



2.3940 



1.7012 





6 



5.0 



3.4287 



1.9821 



3 



1 



4.0 



5.5319 



2.4560 



3 



2 



4.5 



3.1975 



1.9229 



3 



3 



6.0 



1.9812 



1.5752 



3 



4 



3.0 



1.4962 



1.4129 



3 



5 



7.0 



1.562 



1.4360 



3 



6 



5.0 



2.2043 



1.6445 



Y intercept = 2.8613 



X' = Untransformed values (X' 



Y = Transformed values 



Y2-.5) 



