Concept explainers
An automotive insurance company wants to predict which filed stolen vehicle claims are fraudulent, based on the number of claims submitted per year by the policy holder and whether the policy is a new policy, that is, is one year old or less (coded as
a. Using all the data as the training sample, develop a classification tree model to predict the probability of a fraudulent claim, based on the number of claims submitted per year by the policy holder and whether the policy is new.
b. What conclusions can you reach about the probability of a fraudulent claim?
c. Using half the data as the training sample and the other half of the data as the validation sample, develop a classification tree model to predict the probability of a fraudulent claim, based on the number of claims submitted per year by policy holder and whether the policy is new.
d. What difference exist in the results of (a) and (c)? What conclusions can you reach the models fit from the training sample in (a) and (c)?
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EBK BASIC BUSINESS STATISTICS
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