Question

3 from unit 1, lesson 2 the dot plot displays the lengths of pencils (in inches) used by students in a class. what is the mean? length (inches)

Explanation:

Step1: Contar los datos

Hay 1 + 2+4 + 2+1 = 10 datos.

Step2: Calcular la suma de los datos

(5×1)+(5.5×2)+(6×4)+(6.5×2)+(7×1)=5 + 11+24 + 13+7 = 60.

Step3: Calcular la media

La media es $\frac{60}{10}=6$.

Answer:

6