The frequency distribution presented describes the speed at which some young people drove to get to take their classes at the university. These young people were driving on a road with a speed limit of 35 mi / h. Find the variance and standard deviation. Speed frecuency 42-45 25 46-49 16 50-53 8 54-57 4 58-61 2

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.