Six children recorded their times (in minutes) to do a jigsaw: 12, 10, 15, 19, 11, 17. What is the range of these times?

Mean and mode are two types of averages found in data handling. The three averages are:  mean, mode and median - which can be used in different situations. An average is a typical or representative value of a data set. Look at how the data is spread out or distributed around some sort of average.