Which Statistic,often Used for Understanding and Evaluating Standardized Tests,measures the Average

question 115

Multiple Choice

Which statistic,often used for understanding and evaluating standardized tests,measures the average variability around a mean?

• A)Validity
• B)Standard deviation
• C)Norms
• D)Percentile rank

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Definitions:

Data Collection

The systematic gathering and measuring of information from various sources to gain insights and make informed decisions.

Quantitative Models

Mathematical or statistical models used to represent reality, predict outcomes, or explain relationships among variables.

Historical Data

Information collected from past events and circumstances, used as a reference or for analysis to plan for future activities.

Significant Transition

A major change or shift in an organization, situation, or individual's life or career path.