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Beginnen Sie die Dateneingabe immer mit der
Tastenfolge
A B 1
(Scl) =, um den statistischen
Speicher zu löschen.
Geben Sie die Daten unter Verwendung der folgenden
Tastenfolge ein.
<
x-Datenwert> S
•Die Eingabedaten werden verwendet, um die Werte für
n, Σx, Σx
2
, o, σn und σn-1 zu berechnen, die Sie dann
unter Verwendung der folgenden Tastenbetätigungen
aufrufen können.
Beispiel: Zu berechnen sind
σnҀ1, σn, o, n, Σx und Σx
2
für die folgenden Daten: 55, 54, 51, 55, 53, 53, 54, 52
In dem SD-Modus:
A B 1
(Scl) = (Stat clear)
55
S
1.
n=
SD
Mit jedem Drücken der S-Taste für die Registrierung Ihrer Eingabe,
wird die Anzahl der bis zu diesem Zeitpunkt eingegebenen
Daten am Display angezeigt (n-Wert).
54 S 51 S 55 S
53 S S 54 S 52 S
Stichproben-Standardabweichung (σnҀ1) =
1,407885953
A X 3 =
Gesamtheits-Standardabweichung (σn) =
1,316956719
A X 2 =
Arithmetischer Mittelwert (o) =
53,375
A X 1 =
Anzahl der Daten (n) =
8
A U 3 =
Summe der Werte (Σx) =
427
A U 2 =
Quadratsumme der Werte (Σx
2
) =
22805
A U 1 =
Vorsichtsmaßnahmen bei der Dateneingabe
•Mit S S wird der gleiche Datenwert zwei Mal
eingegeben.
Um diesen Wert aufzurufen:
Führen Sie diese
Tastenoperation aus:
Σx
2
A U 1
Σx A U 2
n A U 3
o A X 1
σn A X 2
σn-1 A X 3
24


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