Olympia LCD 9210 Benutzerhandbuch Seite 58

(Quad): Quadratic regression
Always begin entering data by pressing the key sequence
D
(Scl)
Enter data using the following key sequence. <x-data>
D
.
The values produced from a regression calculation depend on the
D
values entered, and results can be called in using the key operations
indicated in the table below.
Recall the value:
Regression coefficient A
Regression coefficient B
Correlation coefficient r
to clear the statistical memory.
∑
χ²
∑
χ
n
∑y
²
∑y
∑
χy
χ
σ
χ
n
σ
Χ
n-1
y
σ
y
n
σ
Y
n-1
other than quadratic regressions
x
y
Execute this key operation:
58
<y-data>