Engineering, 15.06.2021 14:00, ashleyd198308

thirty trainees did a proficiency test and they got the following scores: 20,36,25,27,31,33,35,39,29,28,32,31 ,34,30,32,23,37,34,21,27,24,34,36,2 4,38,29,23,33,22,25.From the scores above prepare a frequency distribution table using exclusive method. starting with the class 20-25.

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thirty trainees did a proficiency test and they got the following scores: 20,36,25,27,31,33,35,39,29...