Casio fx-180P - Regression Analysis; Linear Regression and Data Correction

Rae a e
0
7
Rename
4
onan
oe
oe
ae
ar
inde
inl
ith
ame
el
nici
ad
vat
6-2
Regression
analysis
*
Set
the
function
mode
to
“LR”
by
Pressing
(ee
(3)
.
"Linear
regression
_
ere
m
Formuia:
=
At+Bx
y s
2
B
=
neXxy
—
Uxedy
NeZEx?— (Ex)
A 222 = BEX
a ws n
as
Aekxy
—
SN-Ey
V
fae
tx?
TEx)
Trey?
—
(ry?
Ex.)
Results
from
measuring
the
length
and
temperature
of
a
steel
bar,
Find
-the
constant
term
{A],
regression
coefticient
{B),
correlation
coefficient
(r}
and
estimated
values
{%,
¥)
using
the
above
figures
as
a
basis,
OPERATION
READ-OUT
i
OUT
“LR”
WS
10H
1003 Gin
1522391 005 Gin)
20@31010 G0
256511 008 ua)
30 81014 Ga)
aA)
eB)
{cca
(When
the
temp.
is
18°C)
18)
(When
the
length
is
1000
mm)
1000
CHR
Note:
Ex?,
Ex,
n,
Sy?,
Ey,
Exp,
¥,
XOn,
XOn1,
3,
¥On,
¥On1,
A,
B
and
r
are
respectively
obtained
by
pressing
a
numeral
key
(@to®}
after
the
Gel
or
6
key,
-25-
: These rs of correction can also be applied to logarithmic, exponential or power
| regressian.
|
i i
1
!
“LAS
OPERATION
WB 2 G83 a
G@) (Mistake)
)' (To correct}
@ (Mistake)
@ (To correct}
@) {Mistake}
@)' (To correct}
@ (Mistake}
@® (Mistake}
@& (To correct)
4 Bag S (oar)
@ (To correct} 2 34 6 @
-26§-
2 G5 Ga
READ-OUT