The data were statistically analyzed with one sample t test in a basic model of SPM.
采用SPM基本模式中的单样本t检验进行统计分析。
Paired sample t test method was used to compare the difference between the two explants of the same trees. Independent sample t test method was used to determine the difference between the two groups.
用成对样本t检验法比较同一无性系内两种外植体的差异用成组样本t检验法比较两组无性系间的差异。
Then the earnings management degrees of samples are estimated, and the paper makes single sample t-test to them.
据此估算出研究样本的盈余管理程度，并对其进行了单样本t检验。
Then the earnings management degrees of samples are estimated, and the paper makes single sample t-test to them.
据此估算出研究样本的盈余管理程度，并对其进行了单样本t检验。
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