70
Linear regression calculation
Example
Key operation
Result
x
y
m
1
1
Stat 1
000
2
5
2
>
5
J
DATA SET=
100
2
5
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 70
5 Statistical Calculations.indd 70
06.7.10 8:03:44 PM
06.7.10 8:03:44 PM