Sovi.AI - AI Math Tutor

Scan to solve math questions

QUESTION IMAGE

hector kept track of how many laps he swam during the past 7 days. what…

Question

hector kept track of how many laps he swam during the past 7 days.
what is the median of the numbers?

Explanation:

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.

Answer:

\(70\)