Table 9. Differences in disputes due to ambiguity in the measurement standard of the root diameter among the plactitioner of planting construction, in S. Korea.(One-Way, ANOVA)

Division	Average	Standard deviation	Significance probability
By job type	3.78	0.903	0.004**
By occupation	3.84	0.693	0.088
By job position	3.83	0.858	0.003**
By work experience	3.96	0.852	0.428

P<0.01