What is the mean number of people in each age range? Explain
What is the mean number of people in each age range? Explain
to find the mean you add all the numbers and then divide the sum by how many numbers there are :
8+16+12+11+8=55
there are 5 numbers in the equation so you divide 55 by 5 :
55รท5=11
the mean is 11
hope this helps