摘要
EXCEL含有丰富的数据分析工具库。论文利用EXCEL对两个独立样本的成绩数据资料进行了t检验,以两个实际案例详细描述了其分析过程,判断其成绩的差异性程度。
EXCEL has a rich library of data analysis tools. This paper uses EXCEL to test the data of two independent samples by t-test, and describes the analysis process in detail with two practical cases, and judges the difference degree of their results.
出处
《中小企业管理与科技》
2017年第20期173-174,共2页
Management & Technology of SME
关键词
分析工具库
T检验
方差齐性
analysis tool library
t-test
homogeneity of variance
