Table 7.

Statistical analysis of IC₅₀p values obtained with W. somnifera leaf, stem, and root methanolic extract treatments in HepG2 and L929 cell lines.

IC50 value	Leaf		Stem		Root
	HepG2	L929	HepG2	L929	HepG2	L929
Mean ($\overline{x}$)	43.48	78.77	45.6	90.55	314.4	361.21
Standard deviation	0.615	0.795	0.3	0.8	0.305	0.66
Standard error mean	0.355	0.459	0.173	0.461	0.176	0.381
Hypothesized mean	50	50	50	50	50	50
p value	0.0014	0.9993	0.0007	0.9993	0.9999	0.9994