A Student Asked a Statistics Professor If Grades Were Marked

question 102

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 your decision if α = 0.05?

• 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:

Cross-border Flow

The movement of goods, services, capital, or labor across national borders, highlighting aspects of globalization and international trade.

Foreign Direct Investment

Investment made by a company or individual in one country in business interests in another country, in the form of either establishing business operations or acquiring business assets.

Multinational Corporations

Large companies that operate and have assets in several countries, beyond their home country, to maximize global market presence.

National Labor Unions

Early labor organizations in various countries that sought to advocate for workers' rights and interests across multiple industries.