Perfect sample and population mean formula

• Autores: Clarence W. Lienhard, Jennifer Wexler (ed. lit.)
• Localización: Mathematics teacher, ISSN-e 2330-0582, ISSN 0025-5769, Vol. 107, Nº 4, 2013, pág. 320
• Idioma: inglés
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• Resumen

  • Typically, students readily understand the concepts of the sample mean and a discrete random variable X with its probability mass function. However, they find the population mean formula unduly difficult to comprehend. Using a perfect sample, the author guides readers to discover the population mean formula from the sample mean.