4º+ESO


 * Sesión 1ª y 2ª || M-18-9-12 y X-19-9 ||
 * Cronology of the Universe || [[file:Actividades iniciales 4º ESO.odt]] ||


 * Sesión 3ª || J-20 ||
 * Inicio del tema 1: números reales. Números racionales. Paso de número decimal a fracción. ||  ||


 * Sesión 4ª || V-20 ||
 * Números irracionales. || [[file:Decimales de pi.odt]] ||

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__**ACTIVITY ABOUT STATISTICS**__

You have to do the following for the five variables of the document: (a) Collect the data in a table. (**NOTICE**: for the qualitative variables, there is no need to do the accumulaive frequencies (nor Fi, neither Hi)). (b) Elaborate a suitable graph to sum up the information of the variable. (c) Calculate the measures of central tendency: mean, median and mode. (**NOTICE**: for the qualitative variables, you only have to calculate the mode). (d) Calculate the measures of spread: range, variance and coefficient of variation. (**NOTICE**: ONLY FOR QUANTITATIVE VARIABLES). (e) Analyze the spread of the data in relation to the central parameters. (**NOTICE**: ONLY FOR QUANTITATIVE VARIABLES).

Document for the activity: