• METHODS: Random sample questionnaire survey was conducted among consumers in Baoding city and its surrounding counties, and the data were subjected tot-test, analysis of variance, and LSD-t test.

    方法:对保定市周边县城消费者进行随机抽样问卷调查,采用t检验方差分析LSD - t检验等方法调查数据进行统计学处理。

    youdao

  • METHODS: Random sample questionnaire survey was conducted among consumers in Baoding city and its surrounding counties, and the data were subjected tot-test, analysis of variance, and LSD-t test.

    方法:对保定市周边县城消费者进行随机抽样问卷调查,采用t检验方差分析LSD - t检验等方法调查数据进行统计学处理。

    youdao

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