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<p>La variable X expresa la calificación obtenida en el primer examen parcial de cierta asignatura. Se dispone de los siguientes datos correspondientes a 7 alumnos.</p> <p> </p> <table style="width: 353px; height: 40px;" border="1" frame="border"> <tbody> <tr> <td style="text-align: center;"><span style="background-color: #c0c0c0;">X</span></td> <td style="text-align: center;">#a</td> <td style="text-align: center;">#b</td> <td style="text-align: center;">#c</td> <td style="text-align: center;">#d</td> <td style="text-align: center;">#e</td> <td style="text-align: center;">#f</td> <td style="text-align: center;">#g</td> </tr> <tr> <td style="text-align: center;"><span style="background-color: #c0c0c0;">Y</span></td> <td style="text-align: center;">#a1</td> <td style="text-align: center;">#b1</td> <td style="text-align: center;">#c1</td> <td style="text-align: center;">#d1</td> <td style="text-align: center;">#e1</td> <td style="text-align: center;">#f1</td> <td style="text-align: center;">#g1</td> </tr> </tbody> </table> <p>Se pide:</p> <ol> <li>Indicar cuál de las siguientes rectas es la recta de regresión de Y sobre X.<br /><br /> {1:MCV:=#rect1~#rect2}<br /><br /></li> <li>Determinar la nota final que se puede predecir para una persona que ha obtenido #nota en el primer examen parcial de la asignatura.</li> </ol> <p> </p> <p><span style="font-size: x-small;"> <span style="color: #ff0000;">En lugar de la coma decimal, utilizar el punto.</span></span></p> <p> Nota final = {1:SA:=#nf}</p> <div> </div> <p> </p>
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Monday, 27 June 2016, 2:18 PM
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