the shop teacher wrote down how many picture frames the students made last week. making picture frames what…
the shop teacher wrote down how many picture frames the students made last week. making picture frames what is the mean of the numbers?
Answer
Explanation:
Step1: Contar frecuencias
Hay 3 en 2, 5 en 4, 4 en 5 y 1 en 6.
Step2: Calcular la suma de los productos
$(2\times3)+(4\times5)+(5\times4)+(6\times1)=6 + 20+20 + 6=52$.
Step3: Calcular el número total de datos
$3 + 5+4 + 1=13$.
Step4: Calcular la media
$\frac{52}{13}=4$.
Answer:
4