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Statistics — MATHEMATICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9MATHEMATICSStatistics1 Mark
Question
The class mark of class interval $22 - 29$ is $...........$
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Answer

The class mark of class interval $22 - 29$ is
The classmark is $22 - 29 = \frac{22+29}{2}=\frac{51}{2}=25.5$.

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