The oldest child in a family of four children is twice as old as the yougest. the two middle children are 13 and 16 years old. if the average age of the children is  13.25. how old is the youngest child?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile