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Power for univariate and multivariate tests
| Sample size required for 80% power | ||
| Mx | NQuery | |
| Test that x → y1 = 0 (univariate) (df = 1) | 28 | 26 |
| Multivariate test (df = 3) | 14 | Note 1 |
Notes: 1 Power for a multivariate test cannot be calculated using standard software.
