针对医生提供的数据，在样本服从正态分布的假设下，进行了频数分析、配对检验和方差分析。
According to data provided by doctor, under the assumption that sample is normal, performed frequency analysis, pair test and variance analysis.
随后本文利用配对样本检验的方法证明了具有卓越IT能力的企业会有更好的企业绩效。
Furthermore, this article demonstrated that IT capability had positive impact on the performance of enterprises with a matched-sample comparison group methodology.
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