Image caption, To find the mean age, use a calculator to divide the total age of all the children (168) by how many children there are (15). 168 ÷ 15 = 11.2. The mean age is 11.2 years old.

I’ll tell you what’s fetch: Tina Fey’s writing. With the original ‘Mean Girls’ film 20 years old, ‘30 Rock’ having wrapped up over a decade ago and even ‘The Unbreakable Kimmy ...