|
|||||
|
|
Tests for equality of variances with paired data |
|
| Authors: | Charles E McCulloch |
| Institution: | Biometrics Unit Cornell University , Ithaca , NY , 14853 |
| Abstract: | The normal theory test for equality of variances with paired data is shown to be nonrobust to violation of the assumption of normality. Nonparametric tests are shown to provide a much safer alternative with little loss of efficiency. |
| Keywords: | robustness Pearson's product-moment correlation coefficient Spearman's rank correlation coefficient jackknifing |