Sum of Squares df Mean Square F Sig. Between Groups 2.818 5 5.635 2.814 .022* Within Groups 1.562 78 2.003     Total 1.844 83       * The mean difference is significant at the 0.05 level.

Table 4: ANOVA test for the mean values of NAF of different gossypol concentrations and control cells 24 hours post treatment.