Compute the Standard Deviation of the Five Monthly Returns for PG&E

question 14

Multiple Choice

Compute the standard deviation of the five monthly returns for PG&E: 1.25 percent, −1.50 percent, 4.25 percent, 3.75 percent, and 1.98 percent.

• A) 1.876 percent
• B) 1.946 percent
• C) 2.046 percent
• D) 2.287 percent

---

Definitions:

Descriptive/Correlational Research Methods

Research strategies for observing and describing behavior objectively and systematically without influencing or interfering with the study.

Practical and Ethical Reasons

Justifications or motives for actions that are based on practicality, effectiveness, and alignment with moral principles.

Naturalistic Observations

A research method used to systematically observe and record behavior in its natural environment without manipulation or control.

Case Studies

Detailed examinations of a single subject (individual, group, or event) to uncover patterns, identify causes, and derive insights.