7: Cálculos Estatísticos 93
Média, Desvio Padrão e Estatísticas de
Somatórios
eSRVVtYHOFDOFXODUDPpGLD RGHVYLRSDGUmRGD
DPRVWUD6
HGHVYLRSDGUmRGHSRSXODomR
σ
VRPDWyULRHVWDWtVWLFRQ
Σ
[H
Σ
[
GHGDGRV[3DUDGDGRV
[\WDPEpPSRGHVHFDOFXODUPpGLDGHVYLRSDGUmRGD
DPRVWUDHGHVYLRSDGUmRGHSRSXODomRGRVGDGRV\HR
VRPDWyULRHVWDWtVWLFR
Σ
\
Σ
\
H
Σ
[\
Exemplo 1.$FRPDQGDQWDGHXPLDWHTXHUGHWHUPLQDURWHPSRXVDGR
HPXPDWURFDGHYHOD(ODHVFROKHDOHDWRULDPHQWHVHLVLQWHJUDQWHVGD
WULSXODomRRVREVHUYDHQTXDQWRID]HPDWURFDGHYHODHUHJLVWUDRV
Q~PHURVGHPLQXWRVQHFHVViULRV&DOFXOHDPpGLD
HRGHVYLRSDGUmRGDDPRVWUDGDVWURFDVGHYHODV$OpPGLVVRFDOFXOHD
UDL]TXDGUDGDPpGLDXVDQGRDIyUPXOD
Teclas Descrição
1~PHURGHSRQWRVGHGDGRVGLJLWDGRV
6RPDGRVYDORUHV[
6RPDGRVYDORUHV\
6RPDRVTXDGUDGRVGRVYDORUHV[
6RPDRVTXDGUDGRVGRVYDORUHV\
6RPDGRVSURGXWRVGRVYDORUHV[H\
Teclas: Visor: Descrição:
0,00
$SDJDRFRQWH~GRGRV
UHJLVWUDGRUHVHVWDWtVWLFRV
1,00
,QFOXLDSULPHLUDWURFD
2,00
,QFOXLDVHJXQGDWURFD
3,00
,QFOXLDWHUFHLUDWURFD
4,00
,QFOXLDTXDUWDWURFD
5,00
,QFOXLDTXLQWDWURFD
6,00
,QFOXLDVH[WDWURFD
3,50
&DOFXODDPpGLD
[
x
2
n⁄
∑
10B.book Page 93 Sunday, June 25, 2000 1:17 PM
Kommentare zu diesen Handbüchern