Study on measurement method for apple root morphological parameters based on Labview

Table 1 Independent sample test

	Levin test		T-test for mean equality
	F	Significance	t	Degrees of freedom	Significance (double tail)	Average deviation	Standard error difference	99% confidence interval of the difference
	F	Significance	t	Degrees of freedom	Significance (double tail)	Average deviation	Standard error difference	Lower limit	Upper limit
Surface area	0.020	0.889	0.073	58.000	0.942	2.779	38.061	− 98.589	104.146
Surface area			0.073	57.992	0.942	2.779	38.061	− 98.590	104.147
Diameter	0.003	0.955	0.013	58.000	0.990	0.001	0.080	− 0.211	0.213
Diameter			0.013	58.000	0.990	0.001	0.080	− 0.211	0.213
Length	0.015	0.904	− 0.023	58.000	0.982	− 1.813	78.634	− 211.237	207.610
Length			− 0.023	57.981	0.982	− 1.813	78.634	− 211.240	207.613
Volume	0.07	0.932	0.26	57.000	0.991	0.030	1.166	1.166	3.136
Volume			0.26	56.850	0.991	0.030	1.166	1.166	3.137

ISSN: 1746-4811