Question

the table shows information about how many siblings some people have.

what is the median number of siblings?

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$$\begin{tabular}{|c|c|} \\hline \\text{number of siblings} & \\text{frequency} \\\\ \\hline 0 & 8 \\\\ 1 & 6 \\\\ 2 & 4 \\\\ 3 & 2 \\\\ 4 & 5 \\\\ \\hline \\end{tabular}$$

Explanation:

Calculate total frequency

$$ N = 8 + 6 + 4 + 2 + 5 = 25 $$

Find median position

$$ \text{Position} = \frac{N + 1}{2} = \frac{25 + 1}{2} = 13 $$

Identify median value using cumulative frequency

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Since the \(13^{\text{th}}\) value falls within the cumulative frequency of \(14\), the median number of siblings is \(1\).

Answer:

1