Mathematics · Statistics
If the mode of the given frequency distribution is 22.75, find the cumulative frequency of the classes preceding the modal class (i.e., cumulative frequency for X < 21, which corresponds to the sum of frequencies up to class 14-21). Class Interval: 0-7, 7-14, 14-21, 21-28, 28-35, 35-42 Frequency: 1, 7, 9, 11, X, 3
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