Table 2.

Sampling distribution carried out for each lot and sampling time

Month	Sampling time	N	n
1	1	200	16
2	2	184	16
3	3	168	16
4	4	152	16
5	5	136	16
6	6	120	15
8	7	105	15
10	8	90	15
12	9	75	14

N: Population size, n: sampling size