Sharp EL-738

70
Linear regression calculation
Example Key operation Result
xy
m 1 1
Stat 1
000
25
2
>
5
J
DATA SET= 100
25
J
DATA SET= 200
12 24
12
>
24
J
DATA SET= 300
21
21
21
40
40
40
21
>
40
>
3
J
DATA SET= 400
15 25
15
>
25
J
DATA SET= 500
a
=
f
a
105
a
=
b
=
f
b
183
b
=
r
=
f
r
100
r
=
sx
=
f 4
854
Sx
=
sy
=
f 5
1567
Sy
=
x
= 3
y´
= ?
3
.
?
653
3y´
y
= 46
x´
= ?
46
.
9
2462
46x´
DATA
2
5StatisticalCalculations.indd705StatisticalCalculations.indd70 06.7.108:03:44PM06.7.108:03:44PM