Página — Materiales Docente Sin nivel (pág. 135)

-iCuál es la interpretación dela moda (Mo) en el contexto de la situación?

La interpretación de la moda en el contexto de la situación es que la edad que más se presenta entre los 205novios es 31,43 años.

Explica por qué la frecuencia de la clase mediana (f_{m}) esigual a 55.

Porque el lugar dela mediana es \frac{n}{2}=102,5y la suma de las tres primeras frecuencias es 50, faltaría 52,5para llegar al lugar de la mediana, que está próximo a la frecuencia 55 y, por lo tanto, corresponde al intervalo [28; 32[

Luego el docente indica analizar el procedimiento y la solución de la situación C, que tiene la característica de presentar algún tipo de error (de concepto, de aplicación, de procedimiento o de razonamiento). Los estudiantes, por medio del análisis, deberán identificar los errores y proponer su corrección respondiendo las preguntas:-jEstás de acuerdo con los procedimientos propuestos? Justifica tu respuesta.

No, pues para hallar la estatura de Miguel se debió proceder como si estuviéramos obteniendo el promedio aritmético. Para ello, se suman las tres estaturas más la de Miguel. Luego dividimos entre 4 y seiguala a 1,70

En el caso de que hubiera un error, jcuál sería su corrección?

Sea"x"la estatura de Miguel, entonces:

\frac{\frac{\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\left(\ln\right)+x\right)\right)\right)\right)\right)\right)\right)\right)\right)\right)}{4}\right)}{5,05+x=4}\left(1,70\right)\right)

• Durante el análisis de las situaciones propuestas, el docente monitorea el trabajo en equipo y el trabajo individual. Si los estudiantes presentan dificultades para comprenderel procedimiento y encontrarel error de la situación C, el docente propone, a manera de ejemplo, realizar la siguiente retroalimentación.

Retroalimentación:

· Se sugiere a los estudiantes leer nuevamente la situación C (que presenta errores en su solución) e identificar qué solicita el problema.

El docente aclara que se debe calcular la estatura de Miguel, teniendo en cuenta que se conocen las tallas de tres personas y que el promedio de los 4, considerando a Miguel, es de 1,70 m.

Los estudiantes observan, analizan el desarrollo e identifican el error al momento de plantear la ecuación para obtener el promedio. El docente regula el procedimiento planteando la siguiente ecuación:

\frac{\frac{\left|5\cdot\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\left.\right.\right.\right.\left.\left.\right.\left.\right.\right.\left.\right.\left.\left.\right.\right.\right.\right.\right.\right.\left.\left.\right.\left.\left.\left.\left.\right.\left.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\right.\left.\left.\left.\right.\left.\left.\right.\right.\left.\left.\left.\left.\right.\right.\right.\right.\left.\left.\right.\right.\left.\left.\right.\right.\right.\right.\right.\right.\right.\right.\left.\right.\left.\right.\left.\right.\right.\left.\right.\right.\right.\left.\right.\right.\right.\right.\left.\right.\right.\right.\left.\left.\right.\left.\right.\right.\left.\right.\right.\right.\left.\right.\left.\left.\left.\left.\left.\right.\right.\left.\right.\left.\left.\left.\right.\left.\left.\right.\left.\left.\right.\left.\right.\left.\left.\right.\left.\left.\left.\left.\left.\left.\left.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\right.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\left.\lef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Por lo tanto, la estatura de Miguel será de 1, 75 m.

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Z_01-168_MANUAL2 MATE 8 MARZO.indd 133

3/8/187:35PM