The purpose of this research is To investigate the satisfaction of the service of the company Phi Phi Island Tour. The tourists visiting Krabi and chosen to tour company marine ward of Phi Phi Island Tour of 200 samples. Data type query consists of 5 aspect, places the service people, the time, the price. And the after-sales service data including frequency, percentage, mean, standard deviation, and the hypothesis testing method. T-test F-test analyze and saliva. And analyze the different applying statistics in using Scheffe.
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