Education · Educational Statistics and Assessment
Consider the following statements regarding standardized scores and evaluation: (I) A Z-score has a mean of 0 and a standard deviation of 1. (II) T-scores eliminate negative values by rescaling Z-scores. (III) C-scores (stanines) divide the normal distribution into nine standard units. (IV) Grading is a form of absolute scaling that is completely independent of performance criteria. Which of the above statements are correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I, II, III and IV
- 2I, II and III only✓
- 3II, III and IV only
- 4I and IV only
Correct answer
I, II and III only
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