"sex","weight" "F","12" "M","11" "F","14" "F","14" "M","14" "M","13" "F","13" "M","14" "M","15" "F","11" "F","15" "M","13" "F","12" "M","11" "M","13" "F","11" "M","15" "M","13" "M","12" "F","14" "M","12" "F","13" "M","12" "F","13" "M","12"