Sharp EL-738, Operation Manual

Page: 72 / 88

71
Quadratic regression calculation
Example
K
e
y
operation
Result
xy
m
1
2
Stat
2
000
12
41
12
>
41
J
DATA
SET=
100
81
3
8
>
13
J
DATA
SET=
200
52
5
>
2
J
DATA
SET=
300
23
200
23
>
200
J
DATA
SET=
400
15
71
15
>
71
J
DATA
SET=
500
a
=
f
a
536
a
=
b
=
f
b
-312
b
=
c
=
f
a
050
c
=
x
= 10
y´
= ?
10
.
?
2449
10
y´
y
= 22
x´
= ?
22
.
9
@ @
963
≈¡=
-343
≈™=
963
≈¡=
3
DATA
5 Statistical Calculations.indd 71
06.7.10 8:03:47 PM