Texas Instruments TI-83 PLUS - Manual (Page 369)

TI-83 Plus Statistics 366
Variables
1 . Var
Stats
2 . Var
Stats Other
VARS
menu
maximum of x values maxX maxX XY
minimum of y values minY XY
maximum of y values maxY XY
1st quartile Q 1 PTS
median Med PTS
3rd quartile Q 3 PTS
regression/fit coefficients a , b EQ
polynomial, Logistic , and SinReg
coefficients
a , b , c ,
d , e
EQ
correlation coefficient r EQ
coefficient of determination r 2 , R 2
EQ
regression equation RegEQ EQ
summary points ( Med . Med only) x1 , y1 , x2 ,
y2 , x3 , y3
PTS
Q
1
and Q
3
The first quartile ( Q 1
) is the median of points between minX and Med
(median). The third quartile ( Q 3
) is the median of points between Med
and maxX .