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The following distribution shows the daily pocket money of 40 students of a class. If...

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Algebra

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The following distribution shows the daily pocket money of 40 students of a class. If the mean pocket money is 21.7, find the missing frequencies x and y.Daily pocket money (in ?) 10-14 14-18 18-22 22-26 26-30 30-34 34-38Number of students 8 7 4 x 6 y 3

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