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La llista següent mostra les alçades (en cm) de #n alumnes de 4t d'ESO: <div>#L1</div><div>#L2</div><div>#L3</div><div>#L4</div><div><br /></div><div>Volem agrupar les dades en 6 intervals.</div><div>Calcula el recorregut: r={:SA:=#rec}</div><div>El recorregut múltiple de 6:<br />(si r ja ho és, cal posar el <span style="font-weight: bold; ">següent</span> múltiple) r'={:SA:=#rec2}</div><div>Longitud de cada interval: l={:SA:=#long}</div><div><br /></div><div> <table cellspacing="2" cellpadding="2" border="1" style="text-align: left; width: 530px; height: 60px; "> <tbody> <tr> <td style="background-color: rgb(153, 51, 153); color: white; font-weight: bold; width: 350px; text-align: center; " border-color="black">INTERVAL </td> <td style="font-weight: bold; width: 78px; text-align: center; ">MARCA </td> <td style="font-weight: bold; text-align: center; ">FREQ </td> </tr> <tr> <td style="width: 200px; text-align: center; ">[#a1,{:SA:=#b1}) </td> <td style="width: 78px; text-align: center; ">{:SA:=#m1} </td> <td style="text-align: center; ">{:SA:=#f1} </td> </tr> <tr> <td style="text-align: center; ">[{:SA:=#a2},{:SA:=#b2}) </td> <td style="text-align: center; ">{:SA:=#m2} </td> <td style="text-align: center; ">{:SA:=#f2} </td> </tr> <tr> <td style="text-align: center; ">[{:SA:=#a3},{:SA:=#b3}) </td> <td style="text-align: center; ">{:SA:=#m3} </td> <td style="text-align: center; ">{:SA:=#f3} </td> </tr> <tr> <td style="text-align: center; ">[{:SA:=#a4},{:SA:=#b4}) </td> <td style="text-align: center; ">{:SA:=#m4} </td> <td style="text-align: center; ">{:SA:=#f4} </td> </tr> <tr> <td style="text-align: center; ">[{:SA:=#a5},{:SA:=#b5}) </td> <td style="text-align: center; ">{:SA:=#m5} </td> <td style="text-align: center; ">{:SA:=#f5} </td> </tr> <tr> <td style="text-align: center; ">[{:SA:=#a6},{:SA:=#b6}) </td> <td style="text-align: center; ">{:SA:=#m6} </td> <td style="text-align: center; ">{:SA:=#f6} </td> </tr> </tbody> </table><br /></div><div>Calcula els estadístics següents:</div><div><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mover»«mi»X«/mi»«mo»¯«/mo»«/mover»«mo»=«/mo»«/math»</span>{:SA:=#m}<br /></div><div>mediana={:SA:=#me}</div><div>Moda={:SA:=#mo} (si són dos valors, expressa-ho com {m1,m2})</div><div>Var={:SA:=#var}</div><div><span class="nolink">«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mi»§#963;«/mi»«mo»=«/mo»«/math»</span>{:SA:=#sig}</div><div>C.V.={:SA:=#coef}</div>
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Monday, 15 July 2013, 9:11 AM
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