Which of the following is NOT always true?
A) If you know the z score, you can determine a percentile by looking at a conversion chart.
B) If you know the z score, you can determine most common standard scores (e.g., T score, DIQ, SAT, NCE, etc.).
C) If you know the z score, you can determine the standard deviation of the test.
D) All of these are true.

Question

Quizplus · Accepted Answer

Knowing the z score allows you to determine a percentile (A) and convert it to other standard scores (B), but it does not provide information about the standard deviation of the test itself without additional information.

Which of the Following Is NOT Always True