Cambiar el promedio 22 a el valor t, con la formulat X-uy, si el promedio de las medias ОХ muestrales es 21, el error es

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answerhappygod
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Cambiar el promedio 22 a el valor t, con la formulat X-uy, si el promedio de las medias ОХ muestrales es 21, el error es

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Change the average 22 to the value t, if the average of the sample means is 21, the standard error of the sample means is 5.
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Cambiar el promedio 22 a el valor t, con la formulat X-uy, si el promedio de las medias ОХ muestrales es 21, el error estándar de las medias muestrales es .5 A. 2 B. -2 C. 4 D. 0.4

Χτμχ t. || σX
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