A Multinational Firm Manufactures Several Types of 1280 × 1024

question 5

Multiple Choice

A multinational firm manufactures several types of 1280 × 1024 LCD displays in several locations. They designed a sampling experiment to analyze the number of pixels per screen that have significant color degradation after 52,560 hours (six years of continuous use) using accelerated life testing. The Excel ANOVA table for their experiment is shown below. Some table entries have been obscured. The response variable (Y) is the number of degraded pixels in a given display. $$\begin{array} { | l | c | c | c | c | } \hline \text { Source of Variation } & \text { SS } & d f & M S & F \\\hline \text { Country of origin } & 202.9 & & 101.45 & 4.163475 \\\hline \text { Display type } & 233.2333 & & 58.30833 & \\\hline \text { Interaction } & 147.7667 & & 18.47084 & \\\hline \text { Error } & 1096.5 & 45 & 24.36667 & \\\hline \text { Total } & 1680.4 & 59 & & \\\hline\end{array}$$ How many countries were studied?

• A)1
• B)2
• C)3
• D)4

---

Definitions:

Americans

Refers to the citizens or natives of the United States of America, encompassing a wide range of cultural, ethnic, and racial groups.

1970

A year marked by significant global and national events, including environmental activism leading to the first celebration of Earth Day.

Jean-Jacques Servan Schreiber

A French journalist and politician known for his reformist views and the founding of the weekly magazine L'Express.

Economic Satellite

A country or region economically dominated or heavily influenced by another, stronger country, often relying on it for financial support or trade.