Calculator User Manual

TI-83 Plus Statistics 358
1
.
Var Stats
[
Xlistname
,
freqlist
]
2
.
Var Stats
2
.
Var Stats
(two-variable statistics) analyzes paired data.
Xlistname
is the
independent variable.
Ylistname
is the dependent variable. Each element
in
freqlist
is the frequency of occurrence for each data pair
(
Xlistname,Ylistname
).
2
.
Var Stats
[
Xlistname
,
Ylistname
,
freqlist
]
Med
.
Med (ax+b)
Med
.
Med
(median-median) fits the model equation y=ax+b to the data
using the median-median line (resistant line) technique, calculating the
summary points
x
1
,
y
1
,
x
2
,
y
2
,
x
3
, and
y
3
.
Med
.
Med
displays values for
a
(slope) and
b
(y-intercept).
Med
.
Med
[
Xlistname
,
Ylistname
,
freqlist
,
regequ
]