The histogram represents the ages in months of the children in a preschool "under-4- years" class. number of children - NW AUTO 30-32 33-35 36-38 39-41 42-44 45-47 ages in months Using the idea of the mean as a balance point, estimate the mean age of children in this classroom. 39-41 months O 36-38 months 33-35 months 42-44 months