Calculating Mean and Standard Deviation for a Sample with TI-83
Step 1 :
Press STAT 1 for STAT Edit
Enter the data into one of the lists
Step 2:
Press STAT
Press right arrow key to highlight CALC
Press ENTER for 1-Var Stats
Enter the name of the list containing your data
Press 2nd 1 for L1
Press ENTER
On TI-83 screen
X = … (Sample mean)
.
.
Sx= … (Sample standard deviation)
Calculating Mean and Standard Deviation for a Sample with TI-85
Step 1 :
Press STAT F2 ENTER ENTER
On TI-85 screen
x=xStat y=yStat
x1=1 (enter your first piece of data here)
y1=1
x2=1 (enter your first piece of data here)
y2=1
Step 2:
Press 2nd F1 ENTER ENTER F1
On TI-85 screen
X = … (Sample mean)
.
.
Sx= … (Sample standard deviation)
