The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is…

CBSE Class 10 Maths PYQ · Statistics · Find Mean, median, mode · 5 Marks · March 2025 · Standard

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515 Marks · March 2025 · Standard

The lengths of $40$ leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table:
Find the median length of the leaves.

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Correct Table
Median class = $144.5 - 153.5$
Median = $144.5 + \frac{20-17}{12} \times 9$
$= 146.75$
Hence, median length is $146.75$ mm