Conclusion:the exponential mean test method can be used to test the average cost of the treatment curing one patient statistically when the data follows approximately an exponential distribution;
结论：治愈一例患者的平均费用的显著性检验可以采用指数分布均数检验法进行分析，但要求资料近似服从指数分布；
Conclusion:the exponential mean test method can be used to test the average cost of the treatment curing one patient statistically when the data follows approximately an exponential distribution;
结论：治愈一例患者的平均费用的显著性检验可以采用指数分布均数检验法进行分析，但要求资料近似服从指数分布；
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