Appendix A: Functions and Instructions
373
2-SampZTest(
s
1
,
s
2
[
,
listname1
,
listname2
,
freqlist1
,
freqlist2
,
alternative
,
drawflag
]
)
(Data list input)
Computes a two-sample
z
test.
alternative
=
L
1
is
<
;
alternative
=
0
is
ƒ
;
alternative
=
1
is
>
.
drawflag
=
1
draws
results;
drawflag
=
0
calculates results.
†
…
TESTS
3:2-SampZTest(
2-SampZTest(
s
1
,
s
2
,
v
1
,
n1
,
v
2
,
n2
[
,
alternative
,
drawflag
]
)
(Summary stats input)
Computes a two-sample
z
test.
alternative
=
L
1
is
<
;
alternative
=
0
is
ƒ
;
alternative
=
1
is
>
.
drawflag
=
1
draws
results;
drawflag
=
0
calculates results.
†
…
TESTS
3:2-SampZTest(
Sci
Sets scientific notation display mode.
†
z
Sci
Select(
Xlistname
,
Ylistname
)
Selects one or more specific data points from a scatter plot
or xyLine plot (only), and then store•s the selected data
points to two new lists,
Xlistname
and
Ylistname
.
y 9
OPS
8:Select(
Send(
variable
)
Sends contents of
variable
to the CBL 2™ or CBR™
System.
†
I/O
B:Send(
seq(
expression
,
variable
,
begin
,
end
[
,
increment
]
)
Returns list created by evaluating
expression
with regard to
variable
, from
begin
to
end
by
increment.
y 9
OPS
5:seq(
Seq
Sets sequence graphing mode.
†
z
Seq
Sequential
Sets mode to graph functions sequentially.
†
z
Sequential
setDate(
year,month,day
)
Sets the date using a year, month, day format. The
year
must be 4 digits;
month
and
day
can be 1 or 2 digit.
y N
setDate(
setDtFmt(
integer
)
Sets the date format.
1 = M/D/Y
2 = D/M/Y
3 = Y/M/D
y N
setDtFmt(
setTime(
hour,minute,
second
)
Sets the time using an hour, minute, second format. The
hour
must be in 24 hour format, in which 13 = 1 p.m.
y N
setTime(
setTmFmt(
integer
)
Sets the time format.
12 = 12 hour format
24 = 24 hour format
y N
setTmFmt(
SetUpEditor
Removes all list names from the stat list editor, and then
restores list names
L1
through
L6
to columns
1
through
6
.
…
EDIT
5:SetUpEditor
SetUpEditor
listname1
[
,
listname2
,
...
,
listname20
]
Removes all list names from the stat list editor, then sets it
up to display one or more
listnames
in the specified order,
starting with column
1
.
…
EDIT
5:SetUpEditor
Shade(
lowerfunc
,
upperfunc
[
,
Xleft
,
Xright
,
pattern
,
patres
]
)
Draws
lowerfunc
and
upperfunc
in terms of
X
on the current
graph and uses
pattern
and
patres
to shade the area
bounded by
lowerfunc
,
upperfunc
,
Xleft
, and
Xright
.
y <
DRAW
7:Shade(
Function or
Instruction/Arguments
Result
Key or
Keys/Menu or
Screen/Item
