ILE 2 FINAL EXAM WITH VERIFIED SOLUTIONS ALL GRADED A+

ILE 2 FINAL EXAM WITH VERIFIED
SOLUTIONS ALL GRADED A+




Dependent CVariable C- Ccorrect Canswers C-Outcome CVariable

Independent CVariable C- Ccorrect Canswers C-The Crisk Cfactors C& CConfounders;
Cpredictors Cor Cexplanatory


Correlation CCoefficient C(r) C- Ccorrect Canswers C-A Cmeasure Cof Cthe Clinear
Crelationship Cbetween C2 Cnumerical Cmeasurements Cmade Con Cthe Csame Cset Cof
Csubjects C(ranges Cfrom C-1 Cto C+1 Cwith C0 Cindicating Cno Crelationship) CAKA
CPearson Cproduct CMoment


coefficient Cof Cdetermination C(r^2) C- Ccorrect Canswers C-The Csquare Cof Cthe
Ccorrelation Ccoefficient. CIt Cis Cinterpreted Cas Cthe Camount Cof Cvariance Cin Cone
Cvariable Cthat Cis Caccounted Cfor Cby Cknowing Cthe Csecond Cvariable

,Dummy CVariable C- Ccorrect Canswers C-A Cset Cof Cindicators C(dichotomous)
Cvariables Cused Cto Cdifferentiate Camong C2+ Clevels Cof Ca Ccategorical Cor Cgrouping
Cvariable C(reference Cgroup C= C1; Cother Cvariables C= C0 C(dummy))


Logistic Cregression Cpredicts Ca C______ Coutcome C- Ccorrect Canswers C-Nominal;
Cmost Cwidely Cused Cregression Cmethod Cin Cmedicine


The Cregression Ccoefficient Cfor Ceach Cpredictor Cin Ca Clogistic Cregression Cmodel
Ccan Cbe Cexponential Cto Cachieve Cthe Cfollowing Cmeasures? C- Ccorrect Canswers C-
Odds CRatio

Multivariable Cmethods Cinclude Ca Cnumber Cof Cspecific Cprocedures Cto
Csimultaneously Cassess Cthe Crelationships Cbetween Cseveral Cexposure C(i.e. Crisk
Cfactor Cvariables) Cand Ca Csingle Coutcome C(True Cor CFalse) C- Ccorrect Canswers C-
True

Multiple Clogistic Cregression Canalysis Capplies Cwhen Cthere Cis Ca Csingle
Cdichotomous Coutcome Cand Cone Cor Cmore—t Cindependent Cvariable C(true Cor
CFalse) C- Ccorrect Canswers C-True


What Ctypes Cof Cdata Ccan Cbe Cincluded Cas Ca Cpredictor Cvariable Cin Ca Clogistic
Cregression Cmodel C- Ccorrect Canswers C-Dichotomous, Cnominal, Cand Ccontinuous


Linear Cregression Cdiffers Cfrom Clogistic Cregression Cin Cwhat Cway? C- Ccorrect
Canswers C-The Cuse Cof Can Coutcome Cthat Cis Cnumerical Cversus Cdichotomous


What Care Cthe Cpossible Cscales Cof Cdata Cfor Cpredictor Cvariables Cin Cmultiple
Clinear Cor Clogistic Cregression C- Ccorrect Canswers C-Dichotomous, Cnominal,
Ccontinuous, Cor Cordinal


Multivariable Cmethods Cinclude Ca Cnumber Cof Cspecific Cprocedures Cto
Csimultaneously Cassess Cthe Crelationships Cbetween Cseveral Cexposure Cor Crisk
Cfactor Cvariables Cand Ca Csingle Coutcome C(True Cor CFalse) C- Ccorrect Canswers C-
True

A Clinear Cregression Cequation, Cand Cmultiple Clinear Cregression Cequations Ccan Cbe
Cused Cto Ccalculate Cy Cif Cone Cis Cgiven Cthe Cx Cvalues. CHowever, Ca Clogistic
Cregression Cequation Ccannot Cbe Cused Cto Ccalculate Cy Cwhen Con Cis Cgiven Cx
Cvalue C(True Cor CFalse) C- Ccorrect Canswers C-False


For Ca Clinear Cregression, Cb1 Cis Cthe Cestimated CY-intercept, Cand Cb0 Cis Cthe
Cestimated Cslop Cof Cthe Cregression Cline C(True Cor CFalse) C- Ccorrect Canswers C-
False
b0 C= Cy-intercept
b1 C= Cslope

, A Cregression Cline Cdescribes Cthe Crelationship Cbetween Cthe Cdependent Cand
Cindependent Cvariables Cand Ccan Cbe Cused Cto Cestimate Cspecific Cpoints Cfor Cx Cor
Cy, Cprovided Can Cindividual Cis Csupplied Cwith Cthe Cvalues Cof Call Cthe Cother
Cvariables Cbut Cone C(True Cor CFalse) C- Ccorrect Canswers C-True


Which Cof Cthe Cfollowing Cis Ca Cprocedure Cthat Cassigns C0 Cor C1 Cto Ca Cnominal
Cvariable Cso Cthat Cit Cmay Cbe Cused Cin Ca Cregression Canalysis C- Ccorrect Canswers
C-Dummy Ccoding


Covariate Cis Ca Cvariable Cthat Cis Cused Cto Cpredict Cany Cof Cthe Cother Cindependent
Cvariables Cin Ca Cmultivariable Canalysis C(True Cor CFalse) C- Ccorrect Canswers C-
False

Adjusted Canalysis, Cor Cadjustment Cis Cthe Cprocess Cof Ctaking Cinto Caccount
Ccovariates Cor Ccofounding Cvariables C(True Cor CFalse) C- Ccorrect Canswers C-True


What Cdata Ctypes Care Cpossible Cfor Cthe Coutcome Cvariable Cin Ca Clinear
Cregression Cmodel C- Ccorrect Canswers C-Continuous C(NOT Ccategorical Cor
CNominal)


Which Cof Cthe Cfollowing Cregression Ctechniques Cis Cused Cto Crelate Cseveral Crisk
Cfactors Cor Cexposures, Cconsidered Csimultaneously, Cto Csurvival Ctime? C- Ccorrect
Canswers C-Cox Cproportional Chazards Canalysis


In Csurvival Canalysis, Cwhich Cof Cthe Cfollowing Cmeasures Cof Ceffect Cdescribes Cthe
Crisk Cof Csuffering Cthe Cevent Cof Cinterest C(given Cthat Cthe Cparticipant Chas
Csurvived Cup Cto Ca Cspecific Ctime) Cin Cone Cgroup Ccompared Cto Cthe Crisk Cin Cthe
Csecond Cgroup? C- Ccorrect Canswers C-Hazard CRatio


In Csurvival Canalysis, Cthe Cprobability Cthat Ca Cperson Csurvives Cpast Ca Ccertain
Ctime Cpoint Cis Cbest Cknown Cas Cwhich Cof Cthe Cfollowing? C- Ccorrect Canswers C-
Survival CFunction

What Cis Ctime-to-event Cvariables? C- Ccorrect Canswers C-A Cvariable Cthat Creflects
Cboth Ctime C& Coutcome Ccomponents


What Cbest Cdescribes Ca Climitation Cof Cusing Cmean Csurvival Ctime Cto Cevaluate
Csurvival? C- Ccorrect Canswers C-Mean Csurvival Cchanges Cover Ctime Cuntil Call Cthe
Csubjects Chave Cdied


What Cis Cmost Coften Cused Cto Ctest Cthe Cnull Chypothesis Cof Cno Cdifference Cin
Csurvival Ccurves Cbetween Ctwo Cor Cmore Cindependent Cgroups? C- Ccorrect
Canswers C-Log CRank