Heather's Computer Display Is Having a Problem in Which the Desktop

question 3

Multiple Choice

Heather's computer display is having a problem in which the desktop seems to be shifting. She has sent you a picture of the problem.
What could be causing this problem on Heather's monitor?

• A) Video cable not properly seated.
• B) Refresh rate out of specification.
• C) Not enough video memory.
• D) GPU on video card overheating.

---

Definitions:

Wilcoxon Signed-Rank Test

A nonparametric test used to compare paired or matched samples to assess whether their population mean ranks differ.

Nonzero Difference

A term indicating that there is a measurable or meaningful difference between two entities or measurements.

Tied Values

Occurs when two or more observations have the same value in a set of data, often requiring special consideration in statistical analyses.

Aptitude Tests

Standardized tests designed to measure an individual's potential to acquire skills or knowledge.