The classark of a frequency distribution are given as follows numerical 38,43,48,53,58. The classes corresponding to the class work 43is
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The class marks of a frequency distribution are given as follows : ... The class corresponding to the class mark 20 is : ... A grouped frequency distribution table with classes of equal sizes ... (D) 38. 12. If the mean of the observations : x, x + 3, x + 5, x + 7, x + 10 ... 46, 52, 48, 11, 41, 62, 54, 53, 96, 40, 98, 44.
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