Respuesta :

Answer:

48

Step-by-step explanation:

add the values of the ages of the lecturers which should give you 434 then divide by the number of lecturers in question

=480/10

=48

Answer:

48.

Step-by-step explanation:

There are a total of 10 lecturers in the list

You find the mean by dividing the sum of all the ages by 10.

The mean age = 480/10 = 48.