QUESTION IMAGE
Question
hector kept track of how many laps he swam during the past 7 days.
what is the median of the numbers?
Step1: Obtener los datos
Los datos son \(70\), \(80\), \(20\), \(40\), \(70\), \(70\), \(40\).
Step2: Ordenar los datos
Ordenamos los datos: \(20\), \(40\), \(40\), \(70\), \(70\), \(70\), \(80\).
Step3: Encontrar la mediana
Como hay \(n = 7\) datos (número impar), la mediana es el valor del \(\frac{n + 1}{2}=\frac{7+1}{2}=4\)-ésimo término.
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\(70\)