Mean Scores in Tetris Were Recorded for Both Math Majors

question 18

Multiple Choice

Mean scores in Tetris were recorded for both math majors and English majors. The mean score for math majors was 20,752 (s₁² = 851, N₁ = 17) and the mean score for English majors was 14,922 (s₂² = 395, N₂ = 56) . The pooled variance would probably be closest to which value?

• A) 800
• B) 623
• C) 500
• D) 900

---

Definitions:

Parent Company

A corporation that owns enough voting stock in another firm to control management and operations by influencing or electing its board of directors.

Business-Format Franchising

A franchising arrangement where the franchisee is given not just the rights to sell a product or service, but also the detailed method to conduct the business.

Product-Distribution

Product-distribution involves the process of making a product or service available for the consumer or business user that needs it, which can include warehousing, logistics, and retailing.

Geographic Region

An area defined by physical, natural, human, or cultural characteristics that distinguish it from other areas.