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Mean, Median, Mode of Grouped Data — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsMean, Median, Mode of Grouped Data2 Marks
Question
A data has 25 observations arranged in a descending order. Which observation represents the median?
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Answer

Number of observation $= n = 25 (odd)$
Hence, median = value of $\Big(\frac{\text{n}+1}{2}\Big)^{\text{th}}$ observation
= Value of $\Big(\frac{25+1}{2}\Big)^\text{th}$ observation
$=$ Value of $13^{\text {th }}$ observation

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