66
Confi
rming and editing data
• Use
z
/
i
to displa
y a data item from a pre
viously
entered data set.
• Press
.
z
or
.
i
to jump to the fi
rst or last
data item, respectiv
ely
.
•
Each data item is displa
y
ed in the f
o
rm
: “X
n
= (
x
v
alue)”,
“Y
n
=
(
y
v
alue)”, or
“FRQ
n
= (frequency)”, where
“
n
” is the data set
n
umber
.
Editing data
•
Displa
y the data item y
ou wish to modify b
y
using
z
/
i
,
enter a ne
w v
alue and press
J
.
Deleting data
•
Displa
y the data item to be deleted b
y
using
z
/
i
, and
press
.
?
.
•
If a v
alue/frequency is deleted, the corresponding frequency/
v
alue is also deleted.
•
If y
ou wish to delete all data, press
.
b
.
Inser
ting data
Using the
z
and
i
k
e
y
s
, specify the correct place to
inser
t y
our ne
w data b
y
displa
ying the v
alue that is to come
directly after
, and then press
.
e
. A ne
w data set with a
v
alue of z
ero and a frequency of one will be inser
ted.
Modify the
ne
w data set to include y
our data.
X1=
1000
Data set n
umber
x
va
lu
e
Y1=
2000
Data set n
umber
y
va
lu
e
FRQ1=
1100
Data set n
umber
F
requency
5 Statistical Calculations.indd 66
06.7.10 8:03:38 PM
