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put this solution on YOUR website!
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