Table 1.
Involved populations and statistical perception of collected data

	Producer (amount)	Margin of Error (%)
Overall estimated population of timber housing sector	210 (a)	–
Acceptable level for sampling	66 (c)	10.00 (±5.00) (b)
Ideal level for sampling	136 (c)	5.00 (±2.50) (b)
Interviewed producers of this analyzed sector	107 (a,c)	6.65 (±3.33) (a,c)

Sources: (a) values from the extensive research published by De Araujo et al. (2018a,b,c), (b) suitable margins of errors prescribed from Pinheiro et al. (2011), and (c) values calculated by the Raosoft (2004) software.