Cov kev sib txheeb coefficient yog piav qhia yooj yimcov txheeb cais uas ntsuas lub zog ntawm kev sib raug zoo ntawm ob lub sijhawm- lossis qhov sib piv-qib sib txawv (as opposed to categorical, lossis nominal-scale variables), raws li tej zaum yuav pom nyob rau hauv ib tug scatter plot.
Puas yog kev sib raug zoo ib qho kev txheeb cais?
Kev rov ua dua thiab kev txheeb xyuas kev sib raug zoo yog cov txheej txheem txheeb cais siv dav hauv thaj chaw lub cev los tshuaj xyuas kev sib raug zoo ntawm qhov sib txawv. Kev txheeb xyuas kev sib txheeb ntsuas qhov kev sib raug zoo ntawm ob lossis ntau qhov sib txawv. …
Puas yog kev sib txheeb piav qhia lossis kev txheeb cais tsis raug?
Descriptive Statistics Piv txwv suav nrog feem pua, kev ntsuas ntawm qhov nruab nrab (txhais tau tias, nruab nrab, hom), ntsuas qhov sib txawv (ntau, qauv sib txawv, sib txawv), thiab correlation coefficients. Kev ntsuas ntawm lub hauv paus nyiam yog siv los piav txog qhov raug, qhov nruab nrab thiab qhov nruab nrab ntawm kev faib cov qhab nia.
Puas yog kev sib raug zoo ib qho kev xeem tsis txaus?
Lwm qhov kev ntsuam xyuas tsis txaus ntseeg yog kev txheeb xyuas kev sib raug zoo, uas yog siv los nkag siab txog qhov uas ob qhov sib txawv yog nyob ntawm ib leeg. Qhov kev tshuaj ntsuam no tseem ceeb ntsuas qhov muaj zog ntawm kev sib raug zoo ntawm ob qhov sib txawv, thiab yog tias lawv qhov kev sib raug zoo muaj zog lossis tsis muaj zog.
Puas yog kev sib raug zoo thiab kev thim rov qab piav qhia lossis tsis txaus ntseeg?
Inferential Analysis=crosstabs (proportion tests), txhais tau tias kev ntsuam xyuas, kev sib raug zoo, regression. Inferential tsom xam yog ua los ntawm kev ntsuam xyuas hypothesis. Yuav tsum tau xaiv qhov kev tshuaj ntsuam inferential los ua raws li qib kev ntsuas ntawm kev ywj pheej thiab nyob ntawm qhov sib txawv (s).
