Operation Manual

7: Cálculos Estatísticos 95
Regressão Linear e Estimativa
$UHJUHVVmROLQHDUpXPPpWRGRHVWDWtVWLFRGHHVWLPDWLYDH
SURMHomReXVDGRSDUDHQFRQWUDUXPDOLQKDUHWDTXH
PHOKRUVHDMXVWDDXPFRQMXQWRGHGDGRV[\'HYHP
H[LVWLUSHORPHQRVGRLVSDUHV[\GLIHUHQWHV$UHWD
IRUQHFHXPDUHODomRHQWUHDVYDULiYHLV[H\\ P[E
RQGHPpDLQFOLQDomRHEpDLQWHUVHomR\
Regressão Linear. &DOFXOHPEHURFRHILFLHQWHGHFRUUHODomRGD
VHJXLQWHIRUPD
 $SDJXHRVUHJLVWUDGRUHVHVWDWtVWLFRVSUHVVLRQDQGR

 'LJLWHRSULPHLURYDORU[HSUHVVLRQH
$+3%,,H[LEHRYDORU
[
 'LJLWHRYDORU\FRUUHVSRQGHQWHHSUHVVLRQH
$+3%,,H[LEHQ
RQ~PHURGHSDUHVGHLWHQVDFXPXODGRV
 &RQWLQXHDLQFOXLUSDUHV[\2YDORUQpLQFUHPHQWDGRFRPFDGD
HQWUDGD
 3DUDH[LELUEDLQWHUVHomR\SUHVVLRQH
(PVHJXLGD
SUHVVLRQH
SDUDH[LELUPDLQFOLQDomRGDUHWD
 3UHVVLRQH
SDUDH[LELUURFRHILFLHQWHGHFRUUHODomR
Estimativa Linear. $UHWDFDOFXODGDSHODUHJUHVVmROLQHDUSRGHVHUXVDGD
SDUDHVWLPDUXPYDORU\SDUDXPYDORU[HVSHFtILFRRXYLFHYHUVD
 'LJLWHRVGDGRV[\XVDQGRDVLQVWUXo}HVGDSiJLQD 
 'LJLWHRVYDORUHVGH[RX\FRQKHFLGRV
3DUDHVWLPDU[SDUD\HVSHFLILFDGRGLJLWHRYDORU\HSUHVVLRQH

3DUDHVWLPDU\SDUD[HVSHFLILFDGRGLJLWHRYDORU[HSUHVVLRQH

10B.book Page 95 Sunday, June 25, 2000 1:17 PM