does the zero mean anything in a set of numbers when calculating mean?

Question

more info well heres the problem 0,10,10,20 and now i have to find the mean well i add it up and now i have 40 but do i divide by 4 or 5? because of the extra zero and is it just really a zero and doesnt count?

Answer 1

0,10,10, 20 is 4 numbers

tu get the averaej...suma 4 numbers & divide bi 4

=40/4=10

(krats oft kall this the "arithmatik meen")