To find the median of a series, we first need to arrange the numbers in ascending order and then identify the middle value.
Median Finding Steps
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Order the Series: Arrange the given numbers (2, 5, 4, 1, 8) in ascending order.
Ordered Series: 1, 2, 4, 5, 8
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Identify the Middle Value: The series has 5 terms, which is an odd number. The median is the middle term in the ordered series. The middle term is the $ \frac{(n+1)}{2} $ th term, where $ n $ is the number of terms.
In this case, $ n=5 $. The position of the median is $ \frac{(5+1)}{2} = \frac{6}{2} = 3 $ rd term.
The 3rd term in the ordered series (1, 2, 4, 5, 8) is 4.
Therefore, the median of the series is 4.
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