E (b) The marks obtained by 35 children in an examination are given below: 370,425,440, 328, 288, 241, 275, 261, 355, 402, 460, 325, 305, 306, 370, 315, 380, 375, 405, 380, 405, 154, 378, 405, 175, 210, 170, 240, 410, 175, 428, 253, 318, 290, 380. [3M] Form a cumulative frequency table with class interval of length 50. a
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