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Ex 14.3, 7 - Weights of 30 students of a class. Find median

Ex 14.3, 7 - Chapter 14 Class 10 Statistics - Part 2
Ex 14.3, 7 - Chapter 14 Class 10 Statistics - Part 3

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Ex 14.3, 7 The distribution below gives the weights of 30 students of a class. Find the median weight of the students. Finding Median Median = l + (𝑁/2 −𝑐𝑓)/𝑓 × h Here, 𝑵/𝟐 ∴ 55 – 60 is median class And, l = h = cf = f = Putting values in formula Median = l + (𝑁/2 −𝑐𝑓)/𝑓 × h = 55 + (15 −13)/6 × 5 = 55 + 2/6 × 5 = 55 + 1.67 = 56.67 Therefore, Median weight is 56.67kg

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