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Find x and y from the following cumulative frequency |
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Answer» \(\because\) 15 + x = 28 (\(\because\) 28 is cumulative frequency of class 8 - 16 which is obtained by adding frequencies of this class and all previous classes which is equal to 15 + x) ⇒ x = 28 - 15 = 13 Also, 43 + 18 = y ⇒ y = 61 |
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