α | 0.10 | 0.05 | 0.01 |
---|---|---|---|
Raw data | |||
 Noncentrality parameter δ | 2.6008000 | 2.9077828 | 3.5612921 |
 Critical t | 1.7174255 | 2.0495831 | 2.6981518 |
 Degrees of freedom | 21.9183118 | 27.6478898 | 41.9718346 |
 Minimum sample size needed | 24 | 30 | 45 |
 Actual power | 0.8090485 | 0.8010923 | 0.8005742 |
log10 data | |||
 Noncentrality parameter δ | 2.6384055 | 3.0465682 | 3.6685540 |
 Critical t | 1.7676466 | 2.1001020 | 2.7730806 |
 Degrees of freedom | 13.3239449 | 18.0985932 | 26.6929601 |
 Minimum sample size needed | 15 | 20 | 29 |
 Actual power | 0.8040250 | 0.8216418 | 0.8056966 |