Delineating investment opportunities for stakeholders in sorghum seed systems: a logit model perspective

Table 8 Gross margin analysis for growers and non-growers of improved variety seeds (TZS/ha)

	Mean gross margin	Standard error	Standard deviation	95% Confidence interval
	Mean gross margin	Standard error	Standard deviation	Lower limit	Upper limit
Benefits	5,18,346.1	94,194.6	13,81,165	3,32,677.9	7,04,014.2
Non-growers	3,17,373.3	70,892.8	8,05,188.5	1,77,099.6	4,57,647
Growers	8,19,805.2	2,06,666.6	19,16,547	4,08,896.6	12,30,714
Diff	− 5,02,431	1,89,625.2		− 8,76,214.2	− 1,28,649.5
Pr (T < t)	0.0087
Pr (\|T\| > \|t\|)	0.0043
Pr (T > t)	0.9957
T	− 2.649
Df	213

ISSN: 2048-7010