The Mean for a Statistics Exam Was 85

question 45

Multiple Choice

The mean for a statistics exam was 85. Karen calculated her own z-score to be +1.75 for her test result of 68 points. What is wrong with Karen's calculation?

• A) A z-score cannot be calculated for ratio level data.
• B) A z-score cannot be calculated for individual score results.
• C) Her z-score should be negative.
• D) Not enough information is provided.

---

Definitions:

School of Thought

A collection or group of people who share common characteristics of opinion or outlook of a philosophy, discipline, belief, social movement, economics, cultural movement, or art movement.

Multifactorial Approach

An analytical strategy considering multiple factors or causes in understanding phenomena or outcomes.

Situational Factors

External influences that affect an individual's behavior or performance in a given context or environment.

Personal Factors

Characteristics or qualities relating to an individual that can influence their behavior, decisions, and interactions with the environment.