Assessment of Production and Utilization Practices of Orange-Fleshed Sweet Potatoes (Ipomoea Batatas L.) in Sidama Region, Ethiopia

Table 6

Multiple regression outcomes for causes affecting the yield of OFSP.

Independent characters	Regression coefficients	SE	t-value	value
Market	0.319	0.082	3.902	0.000
Storage	0.282	0.068	4.134	0.000
Insect pest	-0.223	0.062	−3.609	0.000
Planting materials	-0.161	0.051	−3.122	0.002
Constant	1.128	0.297	3.803	0.000
Number observation	364
R ^2	0.150
F-value	15.803

Significant at 99% level of significance.