A population is a group of people planting rice. Tambon Nikhom, mueang Lopburi self created by a group of samples by a specific selection method (Sampling Purposive) include a group of rice planting. (5) people.
The population is a group of Rice Nicmsrgagtneag district, Muang Lop sample obtained by selecting specific (Purposive Sampling) are a group of five people who grow rice.
The population was the rice District Mueang Lopburi self-help settlement by a group of samples obtained by means of random (Purposive. Sampling), including the number of 5 rice.