Asked by Leili Noroozifard on Sep 26, 2024
A standard deviation of 2 is a percentile rank of about 98.
Standard Deviation
A measure used in statistics to quantify the amount of variation or dispersion of a set of values.
Percentile Rank
A score that indicates the percentage of scores in its frequency distribution that are equal to or below it.
- Implement norm-referenced scoring systems, including z scores, T scores, and percentile ranks, to evaluate individual test performances.
Learning Objectives
- Implement norm-referenced scoring systems, including z scores, T scores, and percentile ranks, to evaluate individual test performances.