Population and sample1. the population of the population used in this research are: Thailand, where tourists visit stone castle phimai Historical Park. The number of public end of the cage (the year 2550) foreign tourists a year who/9260 tourists a year 166,500 people in Thailand/175,760 database to determine the number of the population.2. to determine the sample size, the sample used in this study are as follows: a group of tourists Thailand at history park. The stone castle, event travelers that both male and female, have a sample number of 400 people which is calculated using the formula, it is believed it ne per cent and 95 per cent are staggering. 5 the following formula:
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