The Following Questions Are Based on the Problem Description, Spreadsheet

question 21

Multiple Choice

The following questions are based on the problem description, spreadsheet, and the Risk Solver Platform (RSP) Discriminant Analysis report below.
A college admissions officer wants to evaluate graduate school applicants based on their GMAT scores, verbal and quantitative. Students are classified as either successful (Group 1) , marginally successful (Group 2) or not-successful (Group 3) in their graduate studies. The officer has data on 20 current students, 7 successful (Group 1) , 6 marginally successful (Group 2) and 7 not successful (Group 3) .

-Refer to Exhibit 10.2. Based on the RSP output, what percentage of observations is classified correctly?

• A)100%
• B)85.71%
• C)95%
• D)90%

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Definitions:

Sample Means

Sample Means are the averages calculated from a sample, used as estimates of the population mean.

Normally Distributed

A statistical distribution where data is symmetrically distributed around the mean, forming a bell-shaped curve.

Independent Samples

Samples in which the selection of individuals in one sample does not influence, or is not related to, the selection of individuals in another sample.

Selection Process

The method by which candidates are screened and selected for a position, task, or inclusion in a study, often involving steps like application, assessment, and interview.