A Data Set Has a Mean of 50 and a Standard

question 6

Multiple Choice

A data set has a mean of 50 and a standard deviation of 10. Which of the following might possibly be true?

• A) More than 90% of the data values are between 20 and 80.
• B) No more than 50% of the data values are between 30 and 70.
• C) No less than 30% of the data values are less than 30 or greater than 70.
• D) At least 15% of the data values are less than 20 or greater than 80.

---

Definitions:

Research Results

Research results are the findings obtained from systematic investigation aimed at discovering new knowledge or validating existing knowledge.

External Influences

Factors outside of an individual that impact their behavior and decisions, including social, cultural, and environmental aspects.

Implicit

Refers to something that is suggested or implied but not directly expressed.

Explicit

Something stated clearly and in detail, leaving no room for confusion or interpretation.