Sharp EL-738 Operation Manual page 71

2
Linear regression calculation
Example
DATA
x y
2 5
2 5
12 24
21 40
21 40
21 40
15 25
a =
b =
r =
sx =
sy =
x = 3 y´ = ?
y = 46 x´ = ?
Key operation
m 1 1
2 > 5 J
J
12 > 24 J
21 > 40 > 3 J
15 > 25 J
f a
f b
f r
f 4
f 5
3 . ?
46 . 9
Result
Stat 1
000
DATA SET=
DATA SET=
DATA SET=
DATA SET=
DATA SET=
a
=
b
=
r
=
Sx
=
1567
Sy
=
3y´
2462
46x´
100
200
300
400
500
105
183
100
854
653
70