An Automobile Finance Company Analyzed a Sample of Recent Automobile

question 71

Multiple Choice

An automobile finance company analyzed a sample of recent automobile loans to try to determine key factors in identifying borrowers who would be likely to default on their auto loan. The response variable Default equals 1 if the borrower defaulted during the term of the loan and 0 otherwise. The predictor variable AutoDebt% was the ratio (expressed as a percent) of the required loan payments to the borrower's take-home income at the time of purchase. JobTime was the number of years the borrower had worked at their current job at the time of purchase. CredScore was the borrower's credit score at the time of purchase. Below is part of the classification tree the finance company derived from the data collected in the study. Assume they classify those with a default probability estimate of at least .5 as Defaulters. Based on this classification tree, a member of the study sample who had a credit score of 802, been at their current job for 1 year, took out a loan with payments equaling 19% of their income, and defaulted would be

• A) inaccurately classified as a Defaulter.
• B) inaccurately classified as a non-Defaulter.
• C) accurately classified as a Defaulter.
• D) accurately classified as a non-Defaulter.

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Definitions:

Fetal Hemoglobin

A type of hemoglobin that is present in fetuses and newborn babies, offering higher oxygen affinity than adult hemoglobin.

Maternal Hemoglobin

The oxygen-carrying protein found in the red blood cells of a pregnant woman, crucial for both maternal and fetal health.

Oxygenation

The process of adding oxygen to the body’s tissues, essential for cellular metabolism and energy production.

Blood Ph

The measure of the acidity or alkalinity of the blood, with a normal range being slightly alkaline at about 7.35 to 7.45 on the pH scale.