Sample size for the Ztest and its confidence interval

• Autores: Xiaofeng Steven Liu
• Localización: International journal of mathematical education in science and technology, ISSN 0020-739X, Vol. 43, Nº. 2, 2012, págs. 266-270
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • The statistical power of a significance test is closely related to the length of the confidence interval (i.e. estimate precision). In the case of a Ztest, the length of the confidence interval can be expressed as a function of the statistical power.