The paired t test was adopted to compare the intergroup difference of measurement data. Line correlation analysis was applied to dispose the relativity among the indexes.
计量资料组间差异比较采用配对t检验，各指标间的相关性处理采用直线相关分析。
Result test: Prepare the questionnaire, and utilize the paired sample t to test the difference of class management ability before and after in-post practice.
效果检验：编制调查问卷，利用配对样本t检验方法检验顶岗前后班级管理能力差异。
The intragroup difference of measurement data was detected with the t test.
组间计量资料差异性测定采用t检验。
The difference of the measurement data was compared with the paired t test.
计量资料差异性比较采用配对t检验。
There is no significant difference between gas chromatography and distillation by the results of F - test and t - test.
经F检验和t检验证明，该方法与蒸馏法测定结果无显著性差异。
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。
The difference of the measurement data was compared with the t test.
计量资料差异性比较采用t检验。
The t test was applied to compare the difference of measurement data.
采用t检验比较计量资料间差异。
The analysis of variance and t test were applied in comparing the intergroup difference of measurement data.
组间计量资料差异性比较采用方差分析和t检验。
The paired t test of pre- and post PVP on VAS scale, mobility and analgesic usage scale showed that there were a significant difference (all P<0. 05).
疼痛视觉类比评分评分、活动能力和止痛药应用评分术前、样后比较均有显著性差异（P<0.05）。
The paired t test of pre- and post PVP on VAS scale, mobility and analgesic usage scale showed that there were a significant difference (all P<0. 05).
疼痛视觉类比评分评分、活动能力和止痛药应用评分术前、样后比较均有显著性差异（P<0.05）。
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