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WAEC SSCE - General Mathematics - 1989

Pregunta 1 Informe

For a class of 30 students, the scores in a Mathematics test out of 10 marks were as follows;


4,5,7,2,3,6,5,5,8,9,5,4,2,3,7,9,8,7,7,7,3,4,5,5,2,3,6,7,7,2


What is the range of the distribution?