On your TI-84, Press STAT ENTER Put the given data in L1 Press STAT Press the right arrow key to highlight CALC Press ENTER 1-Var Stats List:L1 FreqList: <--Don't put anything here Calculate <--Scroll and highlight Calculate Press ENTER x=45.53333333 x̄=45.53333333 Σx=683 Σx²=43513 Sx=29.77742833 σx=28.76772883 n=15 minx=1 ↓Q1=22 <--Scroll down here with right arrow to get your answer Med=47 Q3=67 maxX=99 Edwin