Q: Why choose a four-year 4 Board using the method? A: use a selection method or specific purpose (Purposive Selection) is a four-year, all four selection board. (The purpose is to affect the opening of the ASEAN and a student at the end of that year, fit).And the percentage of the population in determining the size of the sample, and then use the Simple Random Sampling method in all 47 people randomly.
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