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File name : HDB0R100721_Italian_text_100426.doc
version : 10/04/26
[ STATVAR ] per visualizzare il menu STATVAR. (Vedere la
tabella in basso)
Per analizzare i dati immessi
Dopo aver immesso i dati, si possono utilizzare le funzioni nel menu
STATVAR premendo [ 2nd ] [ STATVAR ]:
Menu STATVAR Significato
1: Type Menu del tipo calcolo statistico; fare riferimento
agli 8 tipi, come indicato in precedenza nel menu
STAT
2: Data Lo schermo dell’editore dei dati
3: Edit Il sottomenu dei comandi di modifica: [Ins],
[Del-A]
4: Sum Il sottomenu della somma
5: Var Il sottomenu della variabile statistica
6: MinMax Il sottomenu massimo/minimo
7: Reg (2-VAR) Il sottomenu della regressione
Usare le opzioni 1~3 per visualizzare o modificare i dati. Usare le
opzioni 4~7 per selezionare la variabile desiderata per analizzare i
dati.
I valori delle variabili statistiche dipendono dai dati che si immettono.
È possibile richiamarli tramite le operazioni con tasti mostrati nella
tabella in basso.
Calcoli delle statistiche singole-variabili
Variabili Tasti Significato
Σ
x
2
[4: Sum] [ 1 ] Somma di tutti i valori x
2
Σ
x
[4: Sum] [ 2 ] Somma di tutti i valori x
n [5: Var] [ 1 ] Numero dei valori x immessi
x
[5: Var] [ 2 ] Significato dei valori x
x
σ
n
[5: Var] [ 3 ] Deviazione standard della
popolazione dei valori x
x
σ
n-1
[5: Var] [ 4 ] Deviazione standard campione dei
valori x
minX [6: MinMax] [ 1 ] Minimo del valore x
maxX [6: MinMax] [ 2 ] Massimo del valore x
Statistiche accoppiate-variabili / Calcoli di regressione
Variabili Tasti Significato
Σ
x
Σ
y
[4: Sum] [ 2 ]
[4: Sum] [ 4 ]
Somma di tutti i valori x o valori y
107


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