Prepare a frequency table with class interval of 10 kg. and first class as 40-50. Also find out the coefficient of variation : 40 72 74 60 82 115 41 61 65 83 53 110 46 84 50 67 78 79 56 65 81 59 64 68 69 104 80 79 79 52 73 77 90 84 76 42 64 70 66 49 79 52 103 96 51 86 78 94 12 50

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