Operation Manual

7: Cálculos estadísticos 99
Regresión lineal y estimación
/DUHJUHVLyQOLQHDOHVXQPpWRGRHVWDGtVWLFRTXHVHXWLOL]D
SDUDUHDOL]DUHVWLPDFLRQHV\SURQyVWLFRV6HXWLOL]DSDUD
HQFRQWUDUODOtQHDUHFWDTXHVHDMXVWHPHMRUDXQFRQMXQWR
GHYDORUHVGH[H\'HEHKDEHUDOPHQRVGRVSDUHV[\
GLVWLQWRV/DOtQHDUHFWDSURSRUFLRQDXQDUHODFLyQHQWUHODV
YDULDEOHV[H\\ P[EGRQGHPHVODSHQGLHQWH\EHVHO
SXQWRGHLQWHUVHFFLyQFRQHOHMH\
Regresión lineal. &DOFXOHPE\UHOFRHILFLHQWHGHFRUUHODFLyQGHOD
IRUPDVLJXLHQWH
 %RUUHORVUHJLVWURVHVWDGtVWLFRVSDUDHOORSXOVH

 ,QWURGX]FDHOSULPHUYDORUGH[\SXOVH
/D+3%,,PRVWUDUi
HQSDQWDOODHOYDORUGH[
 ,QWURGX]FDHOYDORUGH\FRUUHVSRQGLHQWH\SXOVH
/D+3%,,
PXHVWUDQHOQ~PHURGHSDUHVGHYDORUHVDFXPXODGRV
 6LJDLQWURGXFLHQGRSDUHV[\(OYDORUGHQVHLQFUHPHQWDFRQFDGD
HQWUDGD
 3DUDPRVWUDUHOYDORUGHELQWHUVHFFLyQFRQHOHMH\SXOVH

$FRQWLQXDFLyQSXOVH
SDUDPRVWUDUPODSHQGLHQWHGHOD
OtQHD
 3XOVH
SDUDPRVWUDUUHOFRHILFLHQWHGHFRUUHODFLyQ
Estimación lineal. 6HSXHGHXWLOL]DUODOtQHDUHFWDFDOFXODGDPHGLDQWH
UHJUHVLyQOLQHDOSDUDFDOFXODUHOYDORU\FRUUHVSRQGLHQWHDXQYDORU[
GHWHUPLQDGRRYLFHYHUVD
82,75
0XHVWUDODPHGLDGHORV
SHVRV\
5,80
&DOFXODODGHVYLDFLyQ
HVWiQGDUGHODSREODFLyQ
GHDOWXUDV[
4,71
&DOFXODODGHVYLDFLyQ
HVWiQGDUGHODSREODFLyQ
GHSHVRV\
331,00
0XHVWUDHOWRWDOGHORV
YDORUHVGH\
10B.book Page 99 Sunday, June 25, 2000 1:26 PM