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9-4 Inferences from Matched Pairs (Explained in spanish)
Two samples are dependent (or consist of matched pairs) if the members of one sample can be used to determine the members of the other sample. In this section we develop methods for testing claims about the mean difference from matched pairs. For each matched pair of sample values, we find the difference between the two values, then we use those sample differences to test claims about the population difference or to construct confidence interval estimates of the population difference.
Dos muestras son dependientes (o consisten en pares emparejados) si los miembros de una muestra pueden usarse para determinar los miembros de la otra muestra. En esta sección desarrollamos métodos para probar afirmaciones sobre la diferencia media de pares emparejados. Para cada par emparejado de valores de muestra, encontramos la diferencia entre los dos valores, luego usamos esas diferencias de muestra para probar afirmaciones sobre la diferencia de población o para construir estimaciones de intervalo de confianza de la diferencia de población.
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