Table 9: Analysis of variance of total carotenoids.

ANOVA Sum of squares Degrees of freedom Mean square Fcal Ftab P
Regression* 2,627,366 6 437,894.3 36.7 3.2 0.0196
Residue 119,378 10 11,937.8 - - -
Lack-of-fit 148,329 8 18,541.1 13.7 19.4 0.0546
Pure error 2,708 2 1,354 - - -
Total 2,746,744 16 - - - -

*Significant effects at 5% significance.