A Multinational Firm Manufactures Several Types of 1280 × 1024

question 51

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. $$\begin{array} { | l | c | c | c | c | } \hline \text { Source of Variation } & S S & d f & M S & F \\\hline \text { Country of origin } & 202.9 & & 101.45 & 4.163475 \\\hline \text { Display type } & 233.2333 & & 58.30833 & \\\hline \text { Interaction } & 147.7667 & & 18.47084 & \\\hline \text { Error } & 1096.5 & 45 & 24.36667 & \\\hline \text { Total } & 1680.4 & 59 & & \\\hline\end{array}$$ How many display types were there?

• A)1
• B)2
• C)3
• D)5

---

Definitions:

Independence

The state of being self-reliant and not dependent on others for decision-making or support.

Object Permanence

The acknowledgment that objects keep their presence, unaffected by their immediate invisibility or inaudibility to human senses.

Self-reliant

The ability to rely on one's own capabilities, resources, and judgments to meet one's needs without external assistance.

Insecurely Attached

A term from attachment theory describing individuals who have difficulties forming healthy emotional bonds and tend to have trust issues in relationships.