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1. Calcule el coeficiente de correlacin de las variables GROSS & VIDEOS e interprtelo utilizando la tabla provista en la seccin de contenido del curso
1. Calcule el coeficiente de correlacin de las variables GROSS & VIDEOS e interprtelo utilizando la tabla provista en la seccin de contenido del curso del Cap 9. (5 puntos). Provee copia de la hoja de cmputos de Excel.
2. Construya el diagrama de dispersin o "scatterplot" (5 puntos).
3. Construya la lnea de regresin e incluye en la misma la ecuacin de regresin y el ndice de determinacin utilizando el programa de EXCEL. (5 puntos).
4. Interprete el coeficiente de determinacin = r2 . (5 puntos).
Gross | Videos |
1.1 | 57.18 |
1.13 | 26.17 |
1.18 | 92.79 |
1.25 | 61.6 |
1.44 | 46.5 |
1.53 | 85.06 |
1.53 | 103.52 |
1.69 | 30.88 |
1.74 | 49.29 |
1.77 | 24.14 |
2.42 | 115.31 |
5.34 | 87.04 |
5.7 | 128.45 |
6.43 | 126.64 |
8.59 | 107.28 |
9.36 | 190.8 |
9.89 | 121.57 |
12.66 | 183.3 |
15.35 | 204.72 |
17.55 | 112.47 |
17.91 | 162.95 |
18.25 | 109.2 |
23.13 | 280.79 |
27.62 | 229.51 |
37.09 | 277.68 |
40.73 | 226.73 |
45.55 | 365.14 |
46.62 | 218.64 |
54.7 | 286.31 |
58.51 | 254.58 |
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