You asked for it. For the fiscal year 2005, DSST Principles of Statistics had 744 people take it (for military purposes) and a pass rate of 30%.

DANTES SUBJECT STANDARDIZED TESTS (DSST) VOLUME PASS RATE FY05

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CLEP exams passed:
Management, Accounting, Marketing, Macroeconomics, Microeconomics

DSST exams passed:
Human Resources Management, Organizational Behavior, Statistics, Management Information Systems

Earned:
B.A. in Business Administration: Technology Management (magna cum laude) from Saint Leo University

In Progress:
M.S. in Leadership and Business Ethics from Duquesne University (24 credits completed)