| |||
| statistica hi-pătrat (fonction des observations); statistica χ2 (fonction des observations) | |||
| |||
| statistica hi-pătrat; statistica χ2 | |||
| |||
| statistica hi-pătrat (fonction des observations); statistica χ2 (fonction des observations) | |||
| |||
| statistica hi-pătrat; statistica χ2 | |||
