Respuesta :

Answer:

mean = (4 + 7 + 10 ) / 3

         = 21 / 3

         = 7

Step-by-step explanation:

Answer:

Average of 4,7 and 10:

Add all together 4+7+10=21

Then 21 divided by number of scores so 3.

21 divided by 3=7

So the mean is 7