Single-factor Analysis of Variance (ANOVA) model is also called the effects model. A: 正确 B: 错误

Variance analysis include ( ) A: Schedule variance B: Cost variance C: The schedule performance index D: The cost performance index

Analysis of Variance (ANOVA) is a test for the difference in . A: means of two or more samples B: means of three or more samples C: vairance of three or more smaples D: means of two or more populations E: variance of two or more populations

The term ‘variance’ of the method ‘Analysis of Variance’ means: . A: The method is to compare the difference of population variances B: The method is to compare the difference of sample variances C: The method requires that variances of different groups should be equal D: The method calculates MS and compares MS, while MS is variance in concept E: The method calculates SS and compares SS, while SS is variance in concept

The evaluation index of variance analysis in EVM include （ ）。 A: Schedule variance (SV) B: Cost performance index (CPI) C: Cost variance (CV) D: Project performance index (PPI)