TI-83 Plus Statistics 365
Statistical Variables

The statistical variables are calculated and stored as indicated below. To

access these variables for use in expressions, press , and select

5:Statistics. Then select the VARS menu shown in the column below under
VARS menu. If you edit a list or change the type of analysis, all statistical

variables are cleared.

Variables 1
.
Var
Stats 2
.
Var
Stats Other
VARS
menu

mean of x values vv XY

sum of x values GxGxG

sum of x2 values Gx2Gx2G

sample standard deviation of xSxSx XY
population standard deviation of xsxsxXY
number of data points nn XY

mean of y values wXY

sum of y values GyG

sum of y2 values Gy2G

sample standard deviation of ySyXY
population standard deviation of ysyXY

sum of x … yGxy G

minimum of x values minX minX XY