Question

a technical support line tracked how many calls it received each day.
phone calls received
saturday
sunday
monday
tuesday
wednesday
thursday
friday
0 10 20 30 40 50 60 70 80 90 100
number of calls
what is the mean of the numbers?

Explanation:

Step1: Obtener los valores de cada día

Saturday: 45, Sunday: 50, Monday: 50, Tuesday: 80, Wednesday: 30, Thursday: 60, Friday: 30

Step2: Calcular la suma de los valores

$$45 + 50 + 50 + 80 + 30 + 60 + 30 = 345$$

Step3: Calcular el número de días

Hay 7 días.

Step4: Calcular la media

$$\frac{345}{7} = 49.285714... \approx 49.29$$

Answer:

49.29