A Population of Scores Has µ = 44

question 16

Multiple Choice

A population of scores has µ = 44.In this population,a score of X = 40 corresponds to z = -0.50.What is the population standard deviation?​

• A)2​
• B)​4
• C)​8
• D)​-8

---

Definitions:

Concrete Operational

A stage in Piaget's theory of cognitive development where children aged 7 to 11 years start thinking logically about concrete events.

Metacognition

involves the awareness and understanding of one's own thought processes, often referred to as "thinking about thinking".

Systematic Thinking

A methodical approach to problem-solving and decision-making that involves logical, step-by-step procedures.

Formal Operational Reasoning

Piaget’s fourth stage of cognitive development, characterized by abstract, logical, and systematic thinking.