An MBA Admissions Officer Wishes to Predict an MBA Applicant's

question 14

Multiple Choice

An MBA admissions officer wishes to predict an MBA applicant's grade point average (GPA) for the MBA program on the basis of the applicant's score on the Graduate Management Admission Test (GMAT) and their undergraduate GPA (UGPA) . The admissions officer used a random sample of previously admitted applicants to build a regression tree that can be used to predict the MBA GPAs of future MBA students. Below is the final regression tree. Based on this regression tree, what proportion of the admitted applicants in the sample had both a GMAT score of at least 740 and an undergraduate GPA of at least 3.87?

• A) .512
• B) .339
• C) .254
• D) .122
• E) There is insufficient information to determine the answer.

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Definitions:

Correlation Method

A statistical technique used to determine the relationship and degree of association between two or more variables.

Cause and Effect

The principle or concept that an action or event will produce a certain response or outcome in the natural or human-made world.

Multiple Regression

A statistical technique that models the relationship between a dependent variable and multiple independent variables.

Trach Care

The maintenance and care of a tracheostomy site to prevent infection and ensure proper functioning of the tracheostomy tube.