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Convert raw scores to standard T-scores mit mean 50 und SD 10. Used in educational und psychological testing.

T-Score (Standard Score)

58.8

Z-Wert0.88
Deviation from Mean7.0

T-Score (Standard Score) vs Your Score

Formel

## How to Calculate a Standard Score (T-Score) A T-score rescales your z-score to a distribution with mean 50 and standard deviation 10. ### Formula **T-Score = 50 + 10 x Z** Where Z = (Score - Mean) / Standard Deviation T-scores eliminate negative numbers and decimals, making interpretation easier.

Lösungsbeispiel

A student scores 82 in a group with mean 75 and standard deviation 8.

  1. 01Z-score = (82 - 75) / 8 = 0.875
  2. 02T-score = 50 + 10 x 0.875 = 58.75
  3. 03The student is above average with a T-score of 58.75.

Häufig Gestellte Fragen

What is a T-score?

A T-score is a standard score with mean 50 and standard deviation 10. A T-score of 60 means you are one standard deviation above the mean.

When are T-scores used?

T-scores are commonly used in psychological testing, educational assessments, and clinical evaluations to compare individuals to a reference group.

What is the range of T-scores?

Most T-scores fall between 20 and 80 (within 3 standard deviations). A T-score of 50 is exactly average.

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