Table 3.

Result of statistical analysis of Response 2– %THC Recovery.

Term	Standardised Effect	% Contribution
A: CO2 Flowrate	55.42	52.64
B: Extraction time	24.84	10.57
C: Extraction pressure	18.12	5.63
AB	−14.95	3.83
AC	−10.92	2.05
BC	20.20	4.37
ABC	−15.45	1.46