In a party consisting of 16 five-year-old children, 5 ten-year-old, two fathers, aged 45 and 48, and a seventy-year-old grandfather;
calculate the arithmetic mean, median, and mode of the age of the party participants;
find out which of these mean values best describes the situation and why?
without additional calculation, find changes in mean values if two five-year-old leave the party.
