This research aims to study the factors that influence customer thung song district in the decision to buy used cars with a sample group in thung song district ever decide to buy second hand cars, used statistics per cent (Percentage) average (Mean) and standard deviation (Standard Deviation) value t-test F-test up One-way ANOVA test for differences in the average pair of LSD by means of correlation coefficients (Pearson Product-moment Correlation) and the analysis of comments and other suggestions in the analysis of the results from a sample of 400 people.
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