Respuesta :

Answer:  The mean is:  " 53 " .
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Explanation:
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To calculate the mean:

Take the sum of all the numbers in the data set;  and divide that number by:
   the number of values in the data set.
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     →  { 54 + 48 + 52 + 56 + 55 } / 5 ;

     →  { 265 } / 5 ; 

          =  53
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