Sharp EL-738

71
Quadratic regression calculation
Example Key operation Result
xy
m 1 2
Stat 2
000
12 41
12
>
41
J
DATA SET= 100
813
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
10y´
y
= 22
x´
= ?
22
.
9
@
@
963
≈¡=
-343
≈™=
963
≈¡=
3
DATA
5StatisticalCalculations.indd715StatisticalCalculations.indd71 06.7.108:03:47PM06.7.108:03:47PM