Lineare Regression - Hama WSB 210D Bedienungsanleitung

Schlüsseloperation
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[SHIFT] [S-VAR] [1]
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9.2.1 Lineare Regression

Berechnungen der linearen Regression werden mit Hilfe der folgenden Formel
durchgeführt: y = A + Bx
Beispiel
Temperatur und Länge
einer Stange aus Stahl
Temp Länge
10°C 1003 mm
15°C 1005 mm
20°C 1010 mm
25°C 1011 mm
30°C 1014 mm
Funktion
∑x
2
∑x
n
∑y
2
∑y
∑xy
∑x
3
∑x y
2
∑x
4
xσn
xσn-1
yσn
yσn-1
Regressionskoeffi zient A
Regressionskoeffi zient B
Korrelationskoeffi zient r
erforderliche Eingaben:
[MODE] [3] [1]
(„Lin" Regression)
[SHIFT][MODE CLR] [1] [=]
(Speicher gelöscht)
10 [,] 1003[DT]
15 [,] 1005[DT]
20 [,] 1010[DT]
25 [,] 1011[DT]
30 [,] 1014[DT]
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