AS 3504 Midterm: Exam 1 Study Guide

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Published on 23 Nov 2019
Course
Professor
Department of Risk, Insurance, and Health Management
AS 3504 ActuarialAnalytics
Exam#1StudyGuide
7Questions(True/False,6FreeResponse),50Minutes+1ExtraCreditQ(Coding)
ExamSRMis6minutes/questionsoyougetsomeleniencyhere.
Key:Understandterminology&notationsoyoucanexcelatwordproblems.
ie.Therearemanywaystosaypredictors,𝑀𝑆𝐸,errorsumofsquares,etc.
Lowimportancedoesnotmeanitwon’tbetested,butatmost,1Qwillbefromlow.
ThelistedtopicsarefornumericalQs.ConceptualQswillshowupfromanysection.
Week1IntroductoryConcepts:
ErrorRate,K‐NearestNeighbors(MediumImportance)
Boxplotquartiles(LowImportance)
Transformations(LowImportance)
BasicLinearRegressionConcepts:
CorrelationCoefficient,𝑅(MediumImportance)
BLRcoefficientdetermination(LowImportance)
Modelpredictions(MediumImportance)
SST,SSE,SSR,Residuals,MSE,RSE,ANOVATable(HighImportance)
Standarderrorofcoefficientestimates,𝑡‐test,Confidenceinterval,Prediction
interval(HighImportance)
MultipleLinearRegressionConcepts:
MLRcoefficientdetermination(MediumImportance)
Modelpredictions(HighImportance)
SST,SSE,SSR,Residuals,MSE,RSE,𝑅,Adjusted𝑅relationships(High
Importance)
Variance‐covariancematrix,Standarderrorofcoefficientestimates,𝑡‐test,
Confidenceinterval,partialcorrelation(HighImportance)
𝐹‐test,Nested𝐹‐test,𝐹‐statisticrelationto𝑡‐statistic(HighImportance)
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