find the first and the third quartiles 347,242,146,391,249,567,277,218,319=q1 277,q3 347
find the mean 30,25,33,29,46,31,30,63,41,40,34,30,=36
find the median=30.5 is the mean or the median a more useful represenraion= the mean
find the mean 30,25,33,29,46,31,30,63,41,40,34,30,=36
find the median=30.5 is the mean or the median a more useful represenraion= the mean