A Student Asked a Statistics Professor If Grades Were Marked

question 38

Multiple Choice

A student asked a statistics professor if grades were marked "on the curve." The professor decided to give the student a project to determine if last year's statistics grades were normally distributed. The professor told the student that last year's mean mark was 70 with a standard deviation of 10 and to use the following results. What is the alternative hypothesis?

• A) The letter grades are evenly distributed.
• B) The letter grades are not evenly distributed.
• C) The letter grades are normally distributed.
• D) The letter grades are not normally distributed.
• E) The letter grades are unfairly distributed.

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Definitions:

BPM

Business Process Management, involving the modeling, automation, execution, control, measurement, and optimization of business activity flows.

BPI

Business Process Improvement, a systematic approach to help any organization optimize its underlying processes to achieve more efficient results.

BPR

Business Process Reengineering (BPR) involves the radical redesign of core business processes to achieve dramatic improvements in productivity, cycle times, and quality.

Porter's Five Forces

A framework for analyzing an industry's competitiveness and potential profitability through five forces: competitive rivalry, bargaining power of suppliers, bargaining power of buyers, threat of new entrants, and threat of substitute products.