Q1 and q3 – Texas Instruments TI-84 User Manual
Page 319
Chapter 12: Statistics
316
Q
Q
Q
Q
1
11
1
and Q
and Q
and Q
and Q
3
33
3
The first quartile (
Q1
) is the median of points between
minX
and
Med
(median). The third
quartile (
Q3
) is the median of points between
Med
and
maxX
.
population standard deviation of y
s
y
XY
sum of x
…
y
G
xy
G
minimum of x values
minX
minX
XY
maximum of x values
maxX
maxX
XY
minimum of y values
minY
XY
maximum of y values
maxY
XY
1st quartile
Q1
PTS
median
Med
PTS
3rd quartile
Q3
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
Variables
1-Var
Stats
2-Var
Stats
Other
VARS
menu