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TI-83 Plus Tables and Reference Information 677
Function or Instruction/
Arguments Result
Key or Keys/
Menu or Screen/Item
2
.
PropZTest(
x1
,
n1
,
x2
,
n2
[
,
alternative
,
drawflag
]
)
Computes a two-proportion
z
test.
alternative
=
L
1
is <;
alternative
=
0
is
ƒ
;
alternative
=
1
is >.
draw
f
la
g
=
1
draws results;
draw
f
la
g
=
0
calculates
results.
†
…
TESTS
6:2-PropZTest(
Pt
.
Change(
x
,
y
)
Reverses a point at (
x
,
y
).
y
<
POINTS
3:Pt
.
Change(
Pt
.
Off(
x
,
y
[
,
mark
]
)
Erases a point at (
x
,
y
) using
mark
.
y
<
POINTS
2:Pt
.
Off(
Pt
.
On(
x
,
y
[
,
mark
]
)
Draws a point at (
x
,
y
) using
mark
.
y
<
POINTS
1:Pt
.
On(
PwrReg
[
Xlistname
,
Ylistname
,
f
re
q
list
,
regequ
]
Fits a power regression model to
X
listname
and
Ylistname
with
frequency
f
re
q
list
, and stores the
regression equation to
regequ
.
…
CALC
A:PwrReg
Pxl
.
Change(
row
,
column
)
Reverses pixel at (
row
,
column
);
0
row
62 and 0
column
94.
y
<
POINTS
6:Pxl
.
Change(
Pxl
.
Off(
row
,
column
)
Erases pixel at (
row
,
column
);
0
row
62 and 0
column
94.
y
<
POINTS
5:Pxl
.
Off(
Pxl
.
On(
row
,
column
)
Draws pixel at (
row
,
column
);
0
row
62 and 0
column
94.
y
<
POINTS
4:Pxl
.
On(
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