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Mathematics [2 Mark Question Answer]

Measures Of Central Tendency · ICSE STD 10 (ICSE - English Medium). 2 questions.

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[2 Mark Question Answer]

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Question 12 Marks
Find the median of the following:
$11, 8, 15, 5, 9, 4, 19, 6, 18$
Answer
$11, 8, 15, 5, 9, 4, 19, 6, 18$
Arranging the given data in descending order:
$19, 18, 15, 11, 9, 8, 6, 5, 4$
The middle term is 9 which is $5^{th}$​​​​​​​ term
Therefore, Median of numbers $= 9.$
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Question 22 Marks
The weights of $11$ students in a class are $36 kg, 45 kg, 44 kg, 37 kg, 36 kg, 41 kg, 45 kg, 43 kg, 39 kg, 42 kg$ and 40 kg . Find the median of their weights.
Answer
Arranging the given data in descending order:
$45 kg, 45 kg, 44 kg, 43 kg, 42 kg, 41 kg, 40 kg, 39 kg, 37 kg, 36 kg, 36 kg ;$
The middle term is 41 kg which is $6^{\text {th }}$ term
Therefore, Median of weights $=41 kg$.
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[2 Mark Question Answer] - Mathematics STD 10 Questions - Vidyadip