A Sample Consists of Four Observations,scored as 1,3,5,7

question 17

Multiple Choice

A sample consists of four observations,scored as 1,3,5,7.What is the standard deviation?

• A)2.55
• B)2.58
• C)3.02
• D)3.99

---

Definitions:

Negative Correlation

A relationship between two variables in which one variable increases as the other decreases, and vice versa.

Exam Scores

Numerical or letter grades assigned to an individual's performance on academic tests.

Anthropologists

Scientists who study humans and their ancestors through various aspects such as societal development, culture, and physical characteristics.

Developmentalists

Researchers or professionals who study the patterns and processes of growth and change occurring throughout the human lifespan.