Citizen SR270X Instruction Manual Page 17
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File name : HDB0R100721_English_text_100426.doc
version : 10/04/26
x
σ
n-1
[5: Var] [ 4 ] Sample standard deviation of x
values
minX [6: MinMax] [ 1 ] Minimum of x-value
maxX [6: MinMax] [ 2 ] Maximum of x-value
Paired-variable statistics / Regression calculations
Variables Keys Meaning
Σ
x
Σ
y
[4: Sum] [ 2 ]
[4: Sum] [ 4 ]
Sum of all x values or y values
Σ
x
2
Σ
y
2
[4: Sum] [ 1 ]
[4: Sum] [ 3 ]
Sum of all x
2
values or y
2
values
Σ
x
3
Σ
x
4
[4: Sum] [ 6 ]
[4: Sum] [ 8 ]
Sum of all x
3
values or x
4
values
Σ
x y
[4: Sum] [ 5 ] Sum of ( x • y ) for all x-y pairs
Σ
x
2
y
[4: Sum] [ 7 ] Sum of ( x
2
• y ) for all x-y pairs
n [5: Var] [ 1 ] Number of x-y pairs entered
x
y
[5: Var] [ 2 ]
[5: Var] [ 5 ]
Mean of the x values or y values
x
σ
n-1
y
σ
n-1
[5: Var] [ 4 ]
[5: Var] [ 7 ]
Sample standard deviation of x values
or y values
x
σ
n
y
σ
n
[5: Var] [ 3 ]
[5: Var] [ 6 ]
Population standard deviation of x
values or y values
minX [6: MinMax] [ 1 ] Minimum of x-value
maxX [6: MinMax] [ 2 ] Maximum of x-value
minY [6: MinMax] [ 3 ] Minimum of y-value
maxY [6: MinMax] [ 4 ] Maximum of y-value
A [7: Reg] [ 1 ]
Regression coefficient constant term A
B [7: Reg] [ 2 ] Regression coefficient B
For non-Quadratic Regression :
r [7: Reg] [ 3 ] Correlation coefficient r
x
ˆ
[7: Reg] [ 4 ] Estimated value of x
y
ˆ
[7: Reg] [ 5 ] Estimated value of y
For Quadratic Regression (_+CX
2
) only :
C [7: Reg] [ 3 ] Quadratic coefficient C of the regression
coefficients
1
ˆ
x
[7: Reg] [ 4 ] Estimated value of x1
- Scientific Calculator 1
- General Guide 4
- Before Starting Calculation 5
- Using Math Mode 6
- Replay function 7
- Memory calculation 8
- Order of operations 8
- Accuracy and Capacity 9
- Error conditions 10
- Basic Calculations 11
- Percentage calculation 12
- Display notations 12
- Answer Function 12
- Fraction calculation 13
- Angle unit conversions 13
- Statistical Calculations 15
- ) only : 17
- Function Table 18
- Guía General 21
- Ajuste del contraste 22
- Lectura de la pantalla 22
- Antes de comenzar el cálculo 23
- Uso del modo matemáticas 24
- Función repetición 25
- Memoria de cálculo 25
- Orden de las operaciones 26
- Precisión y capacidad 26
- Condiciones de error 29
- Cálculos básicos 30
- Función de resultados 31
- Cálculo de fracciones 31
- Transformación Sexagesimal 32
- Decimal 32
- Cálculos estadísticos 34
- Para ver o cambiar datos 36
- Tabla de Función 37
- Guia Geral 40
- Ajuste de contraste 41
- Leitura do visor 41
- Antes de Iniciar o Cálculo 42
- Usando o Modo Matemático 43
- Função de repetição 44
- Cálculo da Memória 44
- Ordem de operações 45
- Precisão e Capacidade 45
- Condições de erro 47
- Cálculos Básicos 48
- Função de Resposta 49
- Cálculo de Fração 49
- Cálculos Estatísticos 52
- Para ver ou mudar dados 54
- Tabela de Função 55
- Allgemeine Anleitung 58
- Kontrasteinstellung 59
- Display-Anzeige 59
- Vor dem Rechnen 60
- Wiederholfunktion 62
- Speicherkalkulationen 62
- Reihenfolge der Operationen 63
- Genauigkeit und Kapazität 63
- Fehlerkonditionen 65
- Grundberechnungen 66
- Displaynotationen 67
- Antwortfunktion 67
- Bruchrechnungen 68
- Winkeleinheitumwandlung 68
- Sexagesimal 68
- Dezimal-Umwandlung 68
- Koordinatentransformation 69
- Wahrsscheinlichkeit 69
- Statistische Kalkulationen 70
- Funktionstabelle 73
- Guide général 76
- Lecture de l’affichage 77
- Utilisation du mode Math 79
- Fonction Refaire 80
- Calculs de Mémoire 80
- Ordre des opérations 81
- Précision et capacité 81
- Conditions d’erreur 83
- Calculs Basiques 84
- Fonction réponse 85
- Calculs de fractions 85
- Conversions d’unité d’angle 86
- Transformation Sexagésimale 86
- Décimale 86
- Transformation de coordonnées 87
- Probabilités 87
- Calculs statistiques 88
- ) uniquement : 90
- Fonction de tableau 91
- Guida Generale 94
- Regolazione del contrasto 95
- Prima di Avviare il Calcolo 96
- Funzione di riproduzione 98
- Calcolo della memoria 98
- Ordine delle operazioni 99
- Accuratezza e Capacità 99
- Condizioni di errore 101
- Calcoli di base 102
- Funzione di Risposta 103
- Il calcolo della frazione 103
- Calcoli Statistici 106
- It – 16 107
- It – 17 108
- Tabella della Funzione 109
- Algemene inleiding 112
- Het contrast bijregelen 113
- Het beeldscherm 113
- Foutieve invoer weergeven 116
- De herhaalfunctie 116
- Volgorde van de bewerkingen 117
- Nauwkeurigheid en capaciteit 117
- Foutmeldingen 119
- Basisbewerkingen 120
- Weergavenotaties 121
- Antwoordfunctie 121
- Bewerkingen met breuken 122
- Hoekconversies 122
- Sexagesimale 122
- decimale transformatie 122
- Coördinaattransformatie 123
- Waarschijnlijkheid 123
- Statistische bewerkingen 124
- Functietabel 127
- SIZE:140x74mm 129
- PARTS NO. HDB0R100721 129
- (SR100) 129
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