Sharp EL-738, Руководство по эксплуатации

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64
Chapter 5
Statistical Functions
Statistical calculations can be perf
or
med in ST
A
T
mode
. The
symbol will be visib
le if y
ou are in ST
A
T
mode
.
There are se
v
en sub-modes within ST
A
T
mode
, corresponding
to each of the functions belo
w:
K
e
y
operation
Sub-mode
Displa
y
m
1
0
m
1
1
m
1
2
m
1
3
m
1
4
m
1
5
m
1
6
SD:
Single-v
ar
iab
le statistics
LINE:
Linear reg
ression
Q
U
AD:
Quadr
atic reg
ression
EXP:
Exponential reg
ression
LOG:
Logar
ithmic reg
ression
PWR:
P
o
w
er reg
ression
INV
: In
v
erse reg
ression
Stat
—
Stat
1
Stat
2
Stat
3
Stat
4
Stat
5
Stat
6
Entering statistical data
Bef
ore y
ou can perf
or
m statistical calculations
, y
ou will need to
enter y
our data.
In ST
A
T
mode
, use
>
and
J
(the
Q
k
e
y) to enter the f
ollo
wing:
For a single-v
ariab
le data set:
Va
lu
e
J
Va
lu
e
>
frequency
J
(T
o enter m
ultiples of the same
v
alue)
For a tw
o-v
ariab
le data set:
x
v
alue
>
y
v
alue
J
x
v
alue
>
y
v
alue
>
frequency
J
(T
o enter m
ultiples
of the same
x
and
y
v
alues)
Note:
Bef
ore enter
ing data, clear an
y pre
viously entered data
from memor
y b
y
doing either of the f
ollo
wing:
•
Press
.
b
in ST
A
T
mode
.
•
Switch sub-modes within ST
A
T
mode
.
5 Statistical Calculations.indd 64
06.7.10 8:03:34 PM