What Percentage of Cases for a Normally Distributed Variable Lies

question 22

Multiple Choice

What percentage of cases for a normally distributed variable lies within 1 SD above and below the mean?

• A) 34%
• B) 50%
• C) 68%
• D) 95%

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Definitions:

Randomization

The process of randomly assigning study participants to different groups, such as treatment or control groups, to ensure objectivity and validity.

Group Assignment

A task or project assigned to a set of individuals expected to work collaboratively towards a common goal or outcome.

Construct

An abstract concept or theoretical entity that is created for the purpose of research or theory development.

Operational Definition

A clear, detailed description of how variables in a study are measured or manipulated.