Assume the Returns on Stock X Were Positive in January,February,April,July,and

question 5

Multiple Choice

Assume the returns on Stock X were positive in January,February,April,July,and November.The other months the returns on Stock X were negative.The returns on Stock Y were positive in January,April,May,July,August,and October and negative the remaining months.Which one of the following correlation coefficients best describes the relationship between Stock X and Stock Y?

• A) -1.0
• B) -0.5
• C) 0.0
• D) 0.5
• E) 1.0

---

Definitions:

Monocyte

Type of white blood cell; large phagocytic white blood cell that moves from the blood into tissues and becomes a macrophage.

Macrophage

A type of white blood cell that engulfs and digests cellular debris, foreign substances, and pathogens, playing a key role in the immune system.

Infected Tissue

Body tissues that have been invaded by pathogenic microorganisms such as bacteria, viruses, or fungi, leading to disease.

Prostaglandins

A group of physiologically active lipid compounds having diverse hormone-like effects in animals, such as regulating inflammation and body temperature.