Construct a frequency table for the marks obtained by 30 student (out of 25 marks) , using equal class intervals :—18,11,12,7,6,15,8,9,21,15,13,19,17,22,21,23,14,8,17,12,6,15,18,22,16,23,9,21,16,11
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Do it with class intervals and get your answers.
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