Casio fx-4200P - Page 25

Example T Operation Display
1082} 4069)
20
G2)
20
GF)
*Length
of
a
steel
rod
at
var-
30 G(s) 30 67] ious temperatures fea) > “LR”
40 AG) 50 GF
To
delete
40
8779(7)50
67):
GED
Temperature
|
Measured
length
|
(Memory
clear)
Saf}
fag
0 delete :
1003mm 10 &0) 1003 fF 10.
Example
3
1005mm
15
(0
1005
oF
15.
be 1010mm 20 AI) 101067 20.
30 GH) 30 7) 1011mm 25 Gr} 1011 GF) 25.
A050 1014mm 3070) 101467 30.
To delete 20 Gi) (7) 20 7): 20 HAN) 20 Gen) ED) ee
; (Constant term A) Gif} (AOE) 997.4
Calculations
Metihene
pai
ha
(Regression
coefficient
8)
i h key operation:
The
following
table
shows
the
results
produced
by
each
key
operati
eaaHfisiGnt
tot
the
above
ne
a)
=
0.56
Result data. Use the regression for- ofrelation:costicia nts
W-@
a
ee
renee
mai
ages
oe
of
the
rod
at
18°C
and
the
(Length
at
18°C)
Regression coefficient B =@ temperature when the rod is 18 GAD) ED 1007.48
ce
o-@
1,000mm
long,
Also
calculate
|
(romper
for
1.000mn
:
=
the
critical
coefficient
(r?)
fength)
fe)
Estimated
value
of
x
@-=
‘and
covariance
1000
AH)
ea
4.642857143
Estimated value of y = Uxy— 18 (Critical coefficient)
(—-—)
EnHenwea
|
0.9655172414
(Covariance) WE
*Regression Formulas (1) 72) EES GRE FZ) SQ Gah yj
The
following
formulas
are
used
for
constant
term
A,
regression
coefficient
B
and
correla-
oy
a
fa
a
35
tion
coefficient
r:
BOWMES
1
Owe
.
Ly-BLUx B= neLxy-Uoxly
& n neXx?-(Lx/P
nixy-Uely
Tr
LimEx?- (Ex¥} (mE y*— (Ey)
~47- —48~